// ┌────────────────────────────────────────────────────────────────────┐ \\
// │ Raphaël 2.1.0 - JavaScript Vector Library                          │ \\
// ├────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright © 2008-2012 Dmitry Baranovskiy (http://raphaeljs.com)    │ \\
// │ Copyright © 2008-2012 Sencha Labs (http://sencha.com)              │ \\
// ├────────────────────────────────────────────────────────────────────┤ \\
// │ Licensed under the MIT (http://raphaeljs.com/license.html) license.│ \\
// └────────────────────────────────────────────────────────────────────┘ \\

// ┌──────────────────────────────────────────────────────────────────────────────────────┐ \\
// │ Eve 0.3.4 - JavaScript Events Library                                                │ \\
// ├──────────────────────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://dmitry.baranovskiy.com/)          │ \\
// │ Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license. │ \\
// └──────────────────────────────────────────────────────────────────────────────────────┘ \\

(function (glob) {
  var version = '0.3.4',
    has = 'hasOwnProperty',
    separator = /[\.\/]/,
    wildcard = '*',
    fun = function () {},
    numsort = function (a, b) {
      return a - b;
    },
    current_event,
    stop,
    events = { n: {} },
    eve = function (name, scope) {
      var e = events,
        oldstop = stop,
        args = Array.prototype.slice.call(arguments, 2),
        listeners = eve.listeners(name),
        z = 0,
        f = false,
        l,
        indexed = [],
        queue = {},
        out = [],
        ce = current_event,
        errors = [];
      current_event = name;
      stop = 0;
      for (var i = 0, ii = listeners.length; i < ii; i++)
        if ('zIndex' in listeners[i]) {
          indexed.push(listeners[i].zIndex);
          if (listeners[i].zIndex < 0) {
            queue[listeners[i].zIndex] = listeners[i];
          }
        }
      indexed.sort(numsort);
      while (indexed[z] < 0) {
        l = queue[indexed[z++]];
        out.push(l.apply(scope, args));
        if (stop) {
          stop = oldstop;
          return out;
        }
      }
      for (i = 0; i < ii; i++) {
        l = listeners[i];
        if ('zIndex' in l) {
          if (l.zIndex == indexed[z]) {
            out.push(l.apply(scope, args));
            if (stop) {
              break;
            }
            do {
              z++;
              l = queue[indexed[z]];
              l && out.push(l.apply(scope, args));
              if (stop) {
                break;
              }
            } while (l);
          } else {
            queue[l.zIndex] = l;
          }
        } else {
          out.push(l.apply(scope, args));
          if (stop) {
            break;
          }
        }
      }
      stop = oldstop;
      current_event = ce;
      return out.length ? out : null;
    };

  eve.listeners = function (name) {
    var names = name.split(separator),
      e = events,
      item,
      items,
      k,
      i,
      ii,
      j,
      jj,
      nes,
      es = [e],
      out = [];
    for (i = 0, ii = names.length; i < ii; i++) {
      nes = [];
      for (j = 0, jj = es.length; j < jj; j++) {
        e = es[j].n;
        items = [e[names[i]], e[wildcard]];
        k = 2;
        while (k--) {
          item = items[k];
          if (item) {
            nes.push(item);
            out = out.concat(item.f || []);
          }
        }
      }
      es = nes;
    }
    return out;
  };

  eve.on = function (name, f) {
    var names = name.split(separator),
      e = events;
    for (var i = 0, ii = names.length; i < ii; i++) {
      e = e.n;
      !e[names[i]] && (e[names[i]] = { n: {} });
      e = e[names[i]];
    }
    e.f = e.f || [];
    for (i = 0, ii = e.f.length; i < ii; i++)
      if (e.f[i] == f) {
        return fun;
      }
    e.f.push(f);
    return function (zIndex) {
      if (+zIndex == +zIndex) {
        f.zIndex = +zIndex;
      }
    };
  };

  eve.stop = function () {
    stop = 1;
  };

  eve.nt = function (subname) {
    if (subname) {
      return new RegExp('(?:\\.|\\/|^)' + subname + '(?:\\.|\\/|$)').test(current_event);
    }
    return current_event;
  };

  eve.off = eve.unbind = function (name, f) {
    var names = name.split(separator),
      e,
      key,
      splice,
      i,
      ii,
      j,
      jj,
      cur = [events];
    for (i = 0, ii = names.length; i < ii; i++) {
      for (j = 0; j < cur.length; j += splice.length - 2) {
        splice = [j, 1];
        e = cur[j].n;
        if (names[i] != wildcard) {
          if (e[names[i]]) {
            splice.push(e[names[i]]);
          }
        } else {
          for (key in e)
            if (e[has](key)) {
              splice.push(e[key]);
            }
        }
        cur.splice.apply(cur, splice);
      }
    }
    for (i = 0, ii = cur.length; i < ii; i++) {
      e = cur[i];
      while (e.n) {
        if (f) {
          if (e.f) {
            for (j = 0, jj = e.f.length; j < jj; j++)
              if (e.f[j] == f) {
                e.f.splice(j, 1);
                break;
              }
            !e.f.length && delete e.f;
          }
          for (key in e.n)
            if (e.n[has](key) && e.n[key].f) {
              var funcs = e.n[key].f;
              for (j = 0, jj = funcs.length; j < jj; j++)
                if (funcs[j] == f) {
                  funcs.splice(j, 1);
                  break;
                }
              !funcs.length && delete e.n[key].f;
            }
        } else {
          delete e.f;
          for (key in e.n)
            if (e.n[has](key) && e.n[key].f) {
              delete e.n[key].f;
            }
        }
        e = e.n;
      }
    }
  };

  eve.once = function (name, f) {
    var f2 = function () {
      var res = f.apply(this, arguments);
      eve.unbind(name, f2);
      return res;
    };
    return eve.on(name, f2);
  };

  eve.version = version;
  eve.toString = function () {
    return 'You are running Eve ' + version;
  };
  typeof module != 'undefined' && module.exports
    ? (module.exports = eve)
    : typeof define != 'undefined'
    ? define('eve', [], function () {
        return eve;
      })
    : (glob.eve = eve);
})(this);

// ┌─────────────────────────────────────────────────────────────────────┐ \\
// │ "Raphaël 2.1.0" - JavaScript Vector Library                         │ \\
// ├─────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://raphaeljs.com)   │ \\
// │ Copyright (c) 2008-2011 Sencha Labs (http://sencha.com)             │ \\
// │ Licensed under the MIT (http://raphaeljs.com/license.html) license. │ \\
// └─────────────────────────────────────────────────────────────────────┘ \\
(function () {
  function R(first) {
    if (R.is(first, 'function')) {
      return loaded ? first() : eve.on('raphael.DOMload', first);
    } else if (R.is(first, array)) {
      return R._engine.create[apply](R, first.splice(0, 3 + R.is(first[0], nu))).add(first);
    } else {
      var args = Array.prototype.slice.call(arguments, 0);
      if (R.is(args[args.length - 1], 'function')) {
        var f = args.pop();
        return loaded
          ? f.call(R._engine.create[apply](R, args))
          : eve.on('raphael.DOMload', function () {
              f.call(R._engine.create[apply](R, args));
            });
      } else {
        return R._engine.create[apply](R, arguments);
      }
    }
  }
  R.version = '2.1.0';
  R.eve = eve;
  var loaded,
    separator = /[, ]+/,
    elements = { circle: 1, rect: 1, path: 1, ellipse: 1, text: 1, image: 1 },
    formatrg = /\{(\d+)\}/g,
    proto = 'prototype',
    has = 'hasOwnProperty',
    g = {
      doc: document,
      win: window,
    },
    oldRaphael = {
      was: Object.prototype[has].call(g.win, 'Raphael'),
      is: g.win.Raphael,
    },
    Paper = function () {
      this.ca = this.customAttributes = {};
    },
    paperproto,
    appendChild = 'appendChild',
    apply = 'apply',
    concat = 'concat',
    supportsTouch = 'createTouch' in g.doc,
    E = '',
    S = ' ',
    Str = String,
    split = 'split',
    events = 'click dblclick mousedown mousemove mouseout mouseover mouseup touchstart touchmove touchend touchcancel'[split](S),
    touchMap = {
      mousedown: 'touchstart',
      mousemove: 'touchmove',
      mouseup: 'touchend',
    },
    lowerCase = Str.prototype.toLowerCase,
    math = Math,
    mmax = math.max,
    mmin = math.min,
    abs = math.abs,
    pow = math.pow,
    PI = math.PI,
    nu = 'number',
    string = 'string',
    array = 'array',
    toString = 'toString',
    fillString = 'fill',
    objectToString = Object.prototype.toString,
    paper = {},
    push = 'push',
    ISURL = (R._ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i),
    colourRegExp =
      /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+%?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+%?(?:\s*,\s*[\d\.]+%?)?)\s*\)|hsba?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\)|hsla?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\))\s*$/i,
    isnan = { NaN: 1, Infinity: 1, '-Infinity': 1 },
    bezierrg = /^(?:cubic-)?bezier\(([^,]+),([^,]+),([^,]+),([^\)]+)\)/,
    round = math.round,
    setAttribute = 'setAttribute',
    toFloat = parseFloat,
    toInt = parseInt,
    upperCase = Str.prototype.toUpperCase,
    availableAttrs = (R._availableAttrs = {
      'arrow-end': 'none',
      'arrow-start': 'none',
      blur: 0,
      'clip-rect': '0 0 1e9 1e9',
      cursor: 'default',
      cx: 0,
      cy: 0,
      fill: '#fff',
      'fill-opacity': 1,
      font: '10px "Arial"',
      'font-family': '"Arial"',
      'font-size': '10',
      'font-style': 'normal',
      'font-weight': 400,
      gradient: 0,
      height: 0,
      href: 'http://raphaeljs.com/',
      'letter-spacing': 0,
      opacity: 1,
      path: 'M0,0',
      r: 0,
      rx: 0,
      ry: 0,
      src: '',
      stroke: '#000',
      'stroke-dasharray': '',
      'stroke-linecap': 'butt',
      'stroke-linejoin': 'butt',
      'stroke-miterlimit': 0,
      'stroke-opacity': 1,
      'stroke-width': 1,
      target: '_blank',
      'text-anchor': 'middle',
      title: 'Raphael',
      transform: '',
      width: 0,
      x: 0,
      y: 0,
    }),
    availableAnimAttrs = (R._availableAnimAttrs = {
      blur: nu,
      'clip-rect': 'csv',
      cx: nu,
      cy: nu,
      fill: 'colour',
      'fill-opacity': nu,
      'font-size': nu,
      height: nu,
      opacity: nu,
      path: 'path',
      r: nu,
      rx: nu,
      ry: nu,
      stroke: 'colour',
      'stroke-opacity': nu,
      'stroke-width': nu,
      transform: 'transform',
      width: nu,
      x: nu,
      y: nu,
    }),
    whitespace =
      /[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]/g,
    commaSpaces =
      /[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*,[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*/,
    hsrg = { hs: 1, rg: 1 },
    p2s = /,?([achlmqrstvxz]),?/gi,
    pathCommand =
      /([achlmrqstvz])[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*,?[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*)+)/gi,
    tCommand =
      /([rstm])[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*,?[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*)+)/gi,
    pathValues =
      /(-?\d*\.?\d*(?:e[\-+]?\d+)?)[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*,?[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*/gi,
    radial_gradient = (R._radial_gradient =
      /^r(?:\(([^,]+?)[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*,[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029]*([^\)]+?)\))?/),
    eldata = {},
    sortByKey = function (a, b) {
      return a.key - b.key;
    },
    sortByNumber = function (a, b) {
      return toFloat(a) - toFloat(b);
    },
    fun = function () {},
    pipe = function (x) {
      return x;
    },
    rectPath = (R._rectPath = function (x, y, w, h, r) {
      if (r) {
        return [
          ['M', x + r, y],
          ['l', w - r * 2, 0],
          ['a', r, r, 0, 0, 1, r, r],
          ['l', 0, h - r * 2],
          ['a', r, r, 0, 0, 1, -r, r],
          ['l', r * 2 - w, 0],
          ['a', r, r, 0, 0, 1, -r, -r],
          ['l', 0, r * 2 - h],
          ['a', r, r, 0, 0, 1, r, -r],
          ['z'],
        ];
      }
      return [['M', x, y], ['l', w, 0], ['l', 0, h], ['l', -w, 0], ['z']];
    }),
    ellipsePath = function (x, y, rx, ry) {
      if (ry == null) {
        ry = rx;
      }
      return [['M', x, y], ['m', 0, -ry], ['a', rx, ry, 0, 1, 1, 0, 2 * ry], ['a', rx, ry, 0, 1, 1, 0, -2 * ry], ['z']];
    },
    getPath = (R._getPath = {
      path: function (el) {
        return el.attr('path');
      },
      circle: function (el) {
        var a = el.attrs;
        return ellipsePath(a.cx, a.cy, a.r);
      },
      ellipse: function (el) {
        var a = el.attrs;
        return ellipsePath(a.cx, a.cy, a.rx, a.ry);
      },
      rect: function (el) {
        var a = el.attrs;
        return rectPath(a.x, a.y, a.width, a.height, a.r);
      },
      image: function (el) {
        var a = el.attrs;
        return rectPath(a.x, a.y, a.width, a.height);
      },
      text: function (el) {
        var bbox = el._getBBox();
        return rectPath(bbox.x, bbox.y, bbox.width, bbox.height);
      },
    }),
    mapPath = (R.mapPath = function (path, matrix) {
      if (!matrix) {
        return path;
      }
      var x, y, i, j, ii, jj, pathi;
      path = path2curve(path);
      for (i = 0, ii = path.length; i < ii; i++) {
        pathi = path[i];
        for (j = 1, jj = pathi.length; j < jj; j += 2) {
          x = matrix.x(pathi[j], pathi[j + 1]);
          y = matrix.y(pathi[j], pathi[j + 1]);
          pathi[j] = x;
          pathi[j + 1] = y;
        }
      }
      return path;
    });

  R._g = g;

  R.type = g.win.SVGAngle || g.doc.implementation.hasFeature('http://www.w3.org/TR/SVG11/feature#BasicStructure', '1.1') ? 'SVG' : 'VML';
  if (R.type == 'VML') {
    var d = g.doc.createElement('div'),
      b;
    d.innerHTML = '<v:shape adj="1"/>';
    b = d.firstChild;
    b.style.behavior = 'url(#default#VML)';
    if (!(b && typeof b.adj == 'object')) {
      return (R.type = E);
    }
    d = null;
  }

  R.svg = !(R.vml = R.type == 'VML');
  R._Paper = Paper;

  R.fn = paperproto = Paper.prototype = R.prototype;
  R._id = 0;
  R._oid = 0;

  R.is = function (o, type) {
    type = lowerCase.call(type);
    if (type == 'finite') {
      return !isnan[has](+o);
    }
    if (type == 'array') {
      return o instanceof Array;
    }
    return (
      (type == 'null' && o === null) ||
      (type == typeof o && o !== null) ||
      (type == 'object' && o === Object(o)) ||
      (type == 'array' && Array.isArray && Array.isArray(o)) ||
      objectToString.call(o).slice(8, -1).toLowerCase() == type
    );
  };

  function clone(obj) {
    if (Object(obj) !== obj) {
      return obj;
    }
    var res = new obj.constructor();
    for (var key in obj)
      if (obj[has](key)) {
        res[key] = clone(obj[key]);
      }
    return res;
  }

  R.angle = function (x1, y1, x2, y2, x3, y3) {
    if (x3 == null) {
      var x = x1 - x2,
        y = y1 - y2;
      if (!x && !y) {
        return 0;
      }
      return (180 + (math.atan2(-y, -x) * 180) / PI + 360) % 360;
    } else {
      return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
    }
  };

  R.rad = function (deg) {
    return ((deg % 360) * PI) / 180;
  };

  R.deg = function (rad) {
    return ((rad * 180) / PI) % 360;
  };

  R.snapTo = function (values, value, tolerance) {
    tolerance = R.is(tolerance, 'finite') ? tolerance : 10;
    if (R.is(values, array)) {
      var i = values.length;
      while (i--)
        if (abs(values[i] - value) <= tolerance) {
          return values[i];
        }
    } else {
      values = +values;
      var rem = value % values;
      if (rem < tolerance) {
        return value - rem;
      }
      if (rem > values - tolerance) {
        return value - rem + values;
      }
    }
    return value;
  };

  var createUUID = (R.createUUID = (function (uuidRegEx, uuidReplacer) {
    return function () {
      return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(uuidRegEx, uuidReplacer).toUpperCase();
    };
  })(/[xy]/g, function (c) {
    var r = (math.random() * 16) | 0,
      v = c == 'x' ? r : (r & 3) | 8;
    return v.toString(16);
  }));

  R.setWindow = function (newwin) {
    eve('raphael.setWindow', R, g.win, newwin);
    g.win = newwin;
    g.doc = g.win.document;
    if (R._engine.initWin) {
      R._engine.initWin(g.win);
    }
  };
  var toHex = function (color) {
      if (R.vml) {
        // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/
        var trim = /^\s+|\s+$/g;
        var bod;
        try {
          var docum = new ActiveXObject('htmlfile');
          docum.write('<body>');
          docum.close();
          bod = docum.body;
        } catch (e) {
          bod = createPopup().document.body;
        }
        var range = bod.createTextRange();
        toHex = cacher(function (color) {
          try {
            bod.style.color = Str(color).replace(trim, E);
            var value = range.queryCommandValue('ForeColor');
            value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);
            return '#' + ('000000' + value.toString(16)).slice(-6);
          } catch (e) {
            return 'none';
          }
        });
      } else {
        var i = g.doc.createElement('i');
        i.title = 'Rapha\xebl Colour Picker';
        i.style.display = 'none';
        g.doc.body.appendChild(i);
        toHex = cacher(function (color) {
          i.style.color = color;
          return g.doc.defaultView.getComputedStyle(i, E).getPropertyValue('color');
        });
      }
      return toHex(color);
    },
    hsbtoString = function () {
      return 'hsb(' + [this.h, this.s, this.b] + ')';
    },
    hsltoString = function () {
      return 'hsl(' + [this.h, this.s, this.l] + ')';
    },
    rgbtoString = function () {
      return this.hex;
    },
    prepareRGB = function (r, g, b) {
      if (g == null && R.is(r, 'object') && 'r' in r && 'g' in r && 'b' in r) {
        b = r.b;
        g = r.g;
        r = r.r;
      }
      if (g == null && R.is(r, string)) {
        var clr = R.getRGB(r);
        r = clr.r;
        g = clr.g;
        b = clr.b;
      }
      if (r > 1 || g > 1 || b > 1) {
        r /= 255;
        g /= 255;
        b /= 255;
      }

      return [r, g, b];
    },
    packageRGB = function (r, g, b, o) {
      r *= 255;
      g *= 255;
      b *= 255;
      var rgb = {
        r: r,
        g: g,
        b: b,
        hex: R.rgb(r, g, b),
        toString: rgbtoString,
      };
      R.is(o, 'finite') && (rgb.opacity = o);
      return rgb;
    };

  R.color = function (clr) {
    var rgb;
    if (R.is(clr, 'object') && 'h' in clr && 's' in clr && 'b' in clr) {
      rgb = R.hsb2rgb(clr);
      clr.r = rgb.r;
      clr.g = rgb.g;
      clr.b = rgb.b;
      clr.hex = rgb.hex;
    } else if (R.is(clr, 'object') && 'h' in clr && 's' in clr && 'l' in clr) {
      rgb = R.hsl2rgb(clr);
      clr.r = rgb.r;
      clr.g = rgb.g;
      clr.b = rgb.b;
      clr.hex = rgb.hex;
    } else {
      if (R.is(clr, 'string')) {
        clr = R.getRGB(clr);
      }
      if (R.is(clr, 'object') && 'r' in clr && 'g' in clr && 'b' in clr) {
        rgb = R.rgb2hsl(clr);
        clr.h = rgb.h;
        clr.s = rgb.s;
        clr.l = rgb.l;
        rgb = R.rgb2hsb(clr);
        clr.v = rgb.b;
      } else {
        clr = { hex: 'none' };
        clr.r = clr.g = clr.b = clr.h = clr.s = clr.v = clr.l = -1;
      }
    }
    clr.toString = rgbtoString;
    return clr;
  };

  R.hsb2rgb = function (h, s, v, o) {
    if (this.is(h, 'object') && 'h' in h && 's' in h && 'b' in h) {
      v = h.b;
      s = h.s;
      h = h.h;
      o = h.o;
    }
    h *= 360;
    var R, G, B, X, C;
    h = (h % 360) / 60;
    C = v * s;
    X = C * (1 - abs((h % 2) - 1));
    R = G = B = v - C;

    h = ~~h;
    R += [C, X, 0, 0, X, C][h];
    G += [X, C, C, X, 0, 0][h];
    B += [0, 0, X, C, C, X][h];
    return packageRGB(R, G, B, o);
  };

  R.hsl2rgb = function (h, s, l, o) {
    if (this.is(h, 'object') && 'h' in h && 's' in h && 'l' in h) {
      l = h.l;
      s = h.s;
      h = h.h;
    }
    if (h > 1 || s > 1 || l > 1) {
      h /= 360;
      s /= 100;
      l /= 100;
    }
    h *= 360;
    var R, G, B, X, C;
    h = (h % 360) / 60;
    C = 2 * s * (l < 0.5 ? l : 1 - l);
    X = C * (1 - abs((h % 2) - 1));
    R = G = B = l - C / 2;

    h = ~~h;
    R += [C, X, 0, 0, X, C][h];
    G += [X, C, C, X, 0, 0][h];
    B += [0, 0, X, C, C, X][h];
    return packageRGB(R, G, B, o);
  };

  R.rgb2hsb = function (r, g, b) {
    b = prepareRGB(r, g, b);
    r = b[0];
    g = b[1];
    b = b[2];

    var H, S, V, C;
    V = mmax(r, g, b);
    C = V - mmin(r, g, b);
    H = C == 0 ? null : V == r ? (g - b) / C : V == g ? (b - r) / C + 2 : (r - g) / C + 4;
    H = (((H + 360) % 6) * 60) / 360;
    S = C == 0 ? 0 : C / V;
    return { h: H, s: S, b: V, toString: hsbtoString };
  };

  R.rgb2hsl = function (r, g, b) {
    b = prepareRGB(r, g, b);
    r = b[0];
    g = b[1];
    b = b[2];

    var H, S, L, M, m, C;
    M = mmax(r, g, b);
    m = mmin(r, g, b);
    C = M - m;
    H = C == 0 ? null : M == r ? (g - b) / C : M == g ? (b - r) / C + 2 : (r - g) / C + 4;
    H = (((H + 360) % 6) * 60) / 360;
    L = (M + m) / 2;
    S = C == 0 ? 0 : L < 0.5 ? C / (2 * L) : C / (2 - 2 * L);
    return { h: H, s: S, l: L, toString: hsltoString };
  };
  R._path2string = function () {
    return this.join(',').replace(p2s, '$1');
  };
  function repush(array, item) {
    for (var i = 0, ii = array.length; i < ii; i++)
      if (array[i] === item) {
        return array.push(array.splice(i, 1)[0]);
      }
  }
  function cacher(f, scope, postprocessor) {
    function newf() {
      var arg = Array.prototype.slice.call(arguments, 0),
        args = arg.join('\u2400'),
        cache = (newf.cache = newf.cache || {}),
        count = (newf.count = newf.count || []);
      if (cache[has](args)) {
        repush(count, args);
        return postprocessor ? postprocessor(cache[args]) : cache[args];
      }
      count.length >= 1e3 && delete cache[count.shift()];
      count.push(args);
      cache[args] = f[apply](scope, arg);
      return postprocessor ? postprocessor(cache[args]) : cache[args];
    }
    return newf;
  }

  var preload = (R._preload = function (src, f) {
    var img = g.doc.createElement('img');
    img.style.cssText = 'position:absolute;left:-9999em;top:-9999em';
    img.onload = function () {
      f.call(this);
      this.onload = null;
      g.doc.body.removeChild(this);
    };
    img.onerror = function () {
      g.doc.body.removeChild(this);
    };
    g.doc.body.appendChild(img);
    img.src = src;
  });

  function clrToString() {
    return this.hex;
  }

  R.getRGB = cacher(function (colour) {
    if (!colour || !!((colour = Str(colour)).indexOf('-') + 1)) {
      return { r: -1, g: -1, b: -1, hex: 'none', error: 1, toString: clrToString };
    }
    if (colour == 'none') {
      return { r: -1, g: -1, b: -1, hex: 'none', toString: clrToString };
    }
    !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == '#') && (colour = toHex(colour));
    var res,
      red,
      green,
      blue,
      opacity,
      t,
      values,
      rgb = colour.match(colourRegExp);
    if (rgb) {
      if (rgb[2]) {
        blue = toInt(rgb[2].substring(5), 16);
        green = toInt(rgb[2].substring(3, 5), 16);
        red = toInt(rgb[2].substring(1, 3), 16);
      }
      if (rgb[3]) {
        blue = toInt((t = rgb[3].charAt(3)) + t, 16);
        green = toInt((t = rgb[3].charAt(2)) + t, 16);
        red = toInt((t = rgb[3].charAt(1)) + t, 16);
      }
      if (rgb[4]) {
        values = rgb[4][split](commaSpaces);
        red = toFloat(values[0]);
        values[0].slice(-1) == '%' && (red *= 2.55);
        green = toFloat(values[1]);
        values[1].slice(-1) == '%' && (green *= 2.55);
        blue = toFloat(values[2]);
        values[2].slice(-1) == '%' && (blue *= 2.55);
        rgb[1].toLowerCase().slice(0, 4) == 'rgba' && (opacity = toFloat(values[3]));
        values[3] && values[3].slice(-1) == '%' && (opacity /= 100);
      }
      if (rgb[5]) {
        values = rgb[5][split](commaSpaces);
        red = toFloat(values[0]);
        values[0].slice(-1) == '%' && (red *= 2.55);
        green = toFloat(values[1]);
        values[1].slice(-1) == '%' && (green *= 2.55);
        blue = toFloat(values[2]);
        values[2].slice(-1) == '%' && (blue *= 2.55);
        (values[0].slice(-3) == 'deg' || values[0].slice(-1) == '\xb0') && (red /= 360);
        rgb[1].toLowerCase().slice(0, 4) == 'hsba' && (opacity = toFloat(values[3]));
        values[3] && values[3].slice(-1) == '%' && (opacity /= 100);
        return R.hsb2rgb(red, green, blue, opacity);
      }
      if (rgb[6]) {
        values = rgb[6][split](commaSpaces);
        red = toFloat(values[0]);
        values[0].slice(-1) == '%' && (red *= 2.55);
        green = toFloat(values[1]);
        values[1].slice(-1) == '%' && (green *= 2.55);
        blue = toFloat(values[2]);
        values[2].slice(-1) == '%' && (blue *= 2.55);
        (values[0].slice(-3) == 'deg' || values[0].slice(-1) == '\xb0') && (red /= 360);
        rgb[1].toLowerCase().slice(0, 4) == 'hsla' && (opacity = toFloat(values[3]));
        values[3] && values[3].slice(-1) == '%' && (opacity /= 100);
        return R.hsl2rgb(red, green, blue, opacity);
      }
      rgb = { r: red, g: green, b: blue, toString: clrToString };
      rgb.hex = '#' + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1);
      R.is(opacity, 'finite') && (rgb.opacity = opacity);
      return rgb;
    }
    return { r: -1, g: -1, b: -1, hex: 'none', error: 1, toString: clrToString };
  }, R);

  R.hsb = cacher(function (h, s, b) {
    return R.hsb2rgb(h, s, b).hex;
  });

  R.hsl = cacher(function (h, s, l) {
    return R.hsl2rgb(h, s, l).hex;
  });

  R.rgb = cacher(function (r, g, b) {
    return '#' + (16777216 | b | (g << 8) | (r << 16)).toString(16).slice(1);
  });

  R.getColor = function (value) {
    var start = (this.getColor.start = this.getColor.start || { h: 0, s: 1, b: value || 0.75 }),
      rgb = this.hsb2rgb(start.h, start.s, start.b);
    start.h += 0.075;
    if (start.h > 1) {
      start.h = 0;
      start.s -= 0.2;
      start.s <= 0 && (this.getColor.start = { h: 0, s: 1, b: start.b });
    }
    return rgb.hex;
  };

  R.getColor.reset = function () {
    delete this.start;
  };

  // http://schepers.cc/getting-to-the-point
  function catmullRom2bezier(crp, z) {
    var d = [];
    for (var i = 0, iLen = crp.length; iLen - 2 * !z > i; i += 2) {
      var p = [
        { x: +crp[i - 2], y: +crp[i - 1] },
        { x: +crp[i], y: +crp[i + 1] },
        { x: +crp[i + 2], y: +crp[i + 3] },
        { x: +crp[i + 4], y: +crp[i + 5] },
      ];
      if (z) {
        if (!i) {
          p[0] = { x: +crp[iLen - 2], y: +crp[iLen - 1] };
        } else if (iLen - 4 == i) {
          p[3] = { x: +crp[0], y: +crp[1] };
        } else if (iLen - 2 == i) {
          p[2] = { x: +crp[0], y: +crp[1] };
          p[3] = { x: +crp[2], y: +crp[3] };
        }
      } else {
        if (iLen - 4 == i) {
          p[3] = p[2];
        } else if (!i) {
          p[0] = { x: +crp[i], y: +crp[i + 1] };
        }
      }
      d.push([
        'C',
        (-p[0].x + 6 * p[1].x + p[2].x) / 6,
        (-p[0].y + 6 * p[1].y + p[2].y) / 6,
        (p[1].x + 6 * p[2].x - p[3].x) / 6,
        (p[1].y + 6 * p[2].y - p[3].y) / 6,
        p[2].x,
        p[2].y,
      ]);
    }

    return d;
  }

  R.parsePathString = function (pathString) {
    if (!pathString) {
      return null;
    }
    var pth = paths(pathString);
    if (pth.arr) {
      return pathClone(pth.arr);
    }

    var paramCounts = { a: 7, c: 6, h: 1, l: 2, m: 2, r: 4, q: 4, s: 4, t: 2, v: 1, z: 0 },
      data = [];
    if (R.is(pathString, array) && R.is(pathString[0], array)) {
      // rough assumption
      data = pathClone(pathString);
    }
    if (!data.length) {
      Str(pathString).replace(pathCommand, function (a, b, c) {
        var params = [],
          name = b.toLowerCase();
        c.replace(pathValues, function (a, b) {
          b && params.push(+b);
        });
        if (name == 'm' && params.length > 2) {
          data.push([b][concat](params.splice(0, 2)));
          name = 'l';
          b = b == 'm' ? 'l' : 'L';
        }
        if (name == 'r') {
          data.push([b][concat](params));
        } else
          while (params.length >= paramCounts[name]) {
            data.push([b][concat](params.splice(0, paramCounts[name])));
            if (!paramCounts[name]) {
              break;
            }
          }
      });
    }
    data.toString = R._path2string;
    pth.arr = pathClone(data);
    return data;
  };

  R.parseTransformString = cacher(function (TString) {
    if (!TString) {
      return null;
    }
    var paramCounts = { r: 3, s: 4, t: 2, m: 6 },
      data = [];
    if (R.is(TString, array) && R.is(TString[0], array)) {
      // rough assumption
      data = pathClone(TString);
    }
    if (!data.length) {
      Str(TString).replace(tCommand, function (a, b, c) {
        var params = [],
          name = lowerCase.call(b);
        c.replace(pathValues, function (a, b) {
          b && params.push(+b);
        });
        data.push([b][concat](params));
      });
    }
    data.toString = R._path2string;
    return data;
  });
  // PATHS
  var paths = function (ps) {
    var p = (paths.ps = paths.ps || {});
    if (p[ps]) {
      p[ps].sleep = 100;
    } else {
      p[ps] = {
        sleep: 100,
      };
    }
    setTimeout(function () {
      for (var key in p)
        if (p[has](key) && key != ps) {
          p[key].sleep--;
          !p[key].sleep && delete p[key];
        }
    });
    return p[ps];
  };

  R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
    var t1 = 1 - t,
      t13 = pow(t1, 3),
      t12 = pow(t1, 2),
      t2 = t * t,
      t3 = t2 * t,
      x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x,
      y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y,
      mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x),
      my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y),
      nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x),
      ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y),
      ax = t1 * p1x + t * c1x,
      ay = t1 * p1y + t * c1y,
      cx = t1 * c2x + t * p2x,
      cy = t1 * c2y + t * p2y,
      alpha = 90 - (math.atan2(mx - nx, my - ny) * 180) / PI;
    (mx > nx || my < ny) && (alpha += 180);
    return {
      x: x,
      y: y,
      m: { x: mx, y: my },
      n: { x: nx, y: ny },
      start: { x: ax, y: ay },
      end: { x: cx, y: cy },
      alpha: alpha,
    };
  };

  R.bezierBBox = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
    if (!R.is(p1x, 'array')) {
      p1x = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y];
    }
    var bbox = curveDim.apply(null, p1x);
    return {
      x: bbox.min.x,
      y: bbox.min.y,
      x2: bbox.max.x,
      y2: bbox.max.y,
      width: bbox.max.x - bbox.min.x,
      height: bbox.max.y - bbox.min.y,
    };
  };

  R.isPointInsideBBox = function (bbox, x, y) {
    return x >= bbox.x && x <= bbox.x2 && y >= bbox.y && y <= bbox.y2;
  };

  R.isBBoxIntersect = function (bbox1, bbox2) {
    var i = R.isPointInsideBBox;
    return (
      i(bbox2, bbox1.x, bbox1.y) ||
      i(bbox2, bbox1.x2, bbox1.y) ||
      i(bbox2, bbox1.x, bbox1.y2) ||
      i(bbox2, bbox1.x2, bbox1.y2) ||
      i(bbox1, bbox2.x, bbox2.y) ||
      i(bbox1, bbox2.x2, bbox2.y) ||
      i(bbox1, bbox2.x, bbox2.y2) ||
      i(bbox1, bbox2.x2, bbox2.y2) ||
      (((bbox1.x < bbox2.x2 && bbox1.x > bbox2.x) || (bbox2.x < bbox1.x2 && bbox2.x > bbox1.x)) &&
        ((bbox1.y < bbox2.y2 && bbox1.y > bbox2.y) || (bbox2.y < bbox1.y2 && bbox2.y > bbox1.y)))
    );
  };
  function base3(t, p1, p2, p3, p4) {
    var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4,
      t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3;
    return t * t2 - 3 * p1 + 3 * p2;
  }
  function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {
    if (z == null) {
      z = 1;
    }
    z = z > 1 ? 1 : z < 0 ? 0 : z;
    var z2 = z / 2,
      n = 12,
      Tvalues = [-0.1252, 0.1252, -0.3678, 0.3678, -0.5873, 0.5873, -0.7699, 0.7699, -0.9041, 0.9041, -0.9816, 0.9816],
      Cvalues = [0.2491, 0.2491, 0.2335, 0.2335, 0.2032, 0.2032, 0.1601, 0.1601, 0.1069, 0.1069, 0.0472, 0.0472],
      sum = 0;
    for (var i = 0; i < n; i++) {
      var ct = z2 * Tvalues[i] + z2,
        xbase = base3(ct, x1, x2, x3, x4),
        ybase = base3(ct, y1, y2, y3, y4),
        comb = xbase * xbase + ybase * ybase;
      sum += Cvalues[i] * math.sqrt(comb);
    }
    return z2 * sum;
  }
  function getTatLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {
    if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {
      return;
    }
    var t = 1,
      step = t / 2,
      t2 = t - step,
      l,
      e = 0.01;
    l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
    while (abs(l - ll) > e) {
      step /= 2;
      t2 += (l < ll ? 1 : -1) * step;
      l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
    }
    return t2;
  }
  function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {
    if (mmax(x1, x2) < mmin(x3, x4) || mmin(x1, x2) > mmax(x3, x4) || mmax(y1, y2) < mmin(y3, y4) || mmin(y1, y2) > mmax(y3, y4)) {
      return;
    }
    var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),
      ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),
      denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);

    if (!denominator) {
      return;
    }
    var px = nx / denominator,
      py = ny / denominator,
      px2 = +px.toFixed(2),
      py2 = +py.toFixed(2);
    if (
      px2 < +mmin(x1, x2).toFixed(2) ||
      px2 > +mmax(x1, x2).toFixed(2) ||
      px2 < +mmin(x3, x4).toFixed(2) ||
      px2 > +mmax(x3, x4).toFixed(2) ||
      py2 < +mmin(y1, y2).toFixed(2) ||
      py2 > +mmax(y1, y2).toFixed(2) ||
      py2 < +mmin(y3, y4).toFixed(2) ||
      py2 > +mmax(y3, y4).toFixed(2)
    ) {
      return;
    }
    return { x: px, y: py };
  }
  function inter(bez1, bez2) {
    return interHelper(bez1, bez2);
  }
  function interCount(bez1, bez2) {
    return interHelper(bez1, bez2, 1);
  }
  function interHelper(bez1, bez2, justCount) {
    var bbox1 = R.bezierBBox(bez1),
      bbox2 = R.bezierBBox(bez2);
    if (!R.isBBoxIntersect(bbox1, bbox2)) {
      return justCount ? 0 : [];
    }
    var l1 = bezlen.apply(0, bez1),
      l2 = bezlen.apply(0, bez2),
      n1 = ~~(l1 / 5),
      n2 = ~~(l2 / 5),
      dots1 = [],
      dots2 = [],
      xy = {},
      res = justCount ? 0 : [];
    for (var i = 0; i < n1 + 1; i++) {
      var p = R.findDotsAtSegment.apply(R, bez1.concat(i / n1));
      dots1.push({ x: p.x, y: p.y, t: i / n1 });
    }
    for (i = 0; i < n2 + 1; i++) {
      p = R.findDotsAtSegment.apply(R, bez2.concat(i / n2));
      dots2.push({ x: p.x, y: p.y, t: i / n2 });
    }
    for (i = 0; i < n1; i++) {
      for (var j = 0; j < n2; j++) {
        var di = dots1[i],
          di1 = dots1[i + 1],
          dj = dots2[j],
          dj1 = dots2[j + 1],
          ci = abs(di1.x - di.x) < 0.001 ? 'y' : 'x',
          cj = abs(dj1.x - dj.x) < 0.001 ? 'y' : 'x',
          is = intersect(di.x, di.y, di1.x, di1.y, dj.x, dj.y, dj1.x, dj1.y);
        if (is) {
          if (xy[is.x.toFixed(4)] == is.y.toFixed(4)) {
            continue;
          }
          xy[is.x.toFixed(4)] = is.y.toFixed(4);
          var t1 = di.t + abs((is[ci] - di[ci]) / (di1[ci] - di[ci])) * (di1.t - di.t),
            t2 = dj.t + abs((is[cj] - dj[cj]) / (dj1[cj] - dj[cj])) * (dj1.t - dj.t);
          if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {
            if (justCount) {
              res++;
            } else {
              res.push({
                x: is.x,
                y: is.y,
                t1: t1,
                t2: t2,
              });
            }
          }
        }
      }
    }
    return res;
  }

  R.pathIntersection = function (path1, path2) {
    return interPathHelper(path1, path2);
  };
  R.pathIntersectionNumber = function (path1, path2) {
    return interPathHelper(path1, path2, 1);
  };
  function interPathHelper(path1, path2, justCount) {
    path1 = R._path2curve(path1);
    path2 = R._path2curve(path2);
    var x1,
      y1,
      x2,
      y2,
      x1m,
      y1m,
      x2m,
      y2m,
      bez1,
      bez2,
      res = justCount ? 0 : [];
    for (var i = 0, ii = path1.length; i < ii; i++) {
      var pi = path1[i];
      if (pi[0] == 'M') {
        x1 = x1m = pi[1];
        y1 = y1m = pi[2];
      } else {
        if (pi[0] == 'C') {
          bez1 = [x1, y1].concat(pi.slice(1));
          x1 = bez1[6];
          y1 = bez1[7];
        } else {
          bez1 = [x1, y1, x1, y1, x1m, y1m, x1m, y1m];
          x1 = x1m;
          y1 = y1m;
        }
        for (var j = 0, jj = path2.length; j < jj; j++) {
          var pj = path2[j];
          if (pj[0] == 'M') {
            x2 = x2m = pj[1];
            y2 = y2m = pj[2];
          } else {
            if (pj[0] == 'C') {
              bez2 = [x2, y2].concat(pj.slice(1));
              x2 = bez2[6];
              y2 = bez2[7];
            } else {
              bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];
              x2 = x2m;
              y2 = y2m;
            }
            var intr = interHelper(bez1, bez2, justCount);
            if (justCount) {
              res += intr;
            } else {
              for (var k = 0, kk = intr.length; k < kk; k++) {
                intr[k].segment1 = i;
                intr[k].segment2 = j;
                intr[k].bez1 = bez1;
                intr[k].bez2 = bez2;
              }
              res = res.concat(intr);
            }
          }
        }
      }
    }
    return res;
  }

  R.isPointInsidePath = function (path, x, y) {
    var bbox = R.pathBBox(path);
    return (
      R.isPointInsideBBox(bbox, x, y) &&
      interPathHelper(
        path,
        [
          ['M', x, y],
          ['H', bbox.x2 + 10],
        ],
        1
      ) %
        2 ==
        1
    );
  };
  R._removedFactory = function (methodname) {
    return function () {
      eve('raphael.log', null, 'Rapha\xebl: you are calling to method \u201c' + methodname + '\u201d of removed object', methodname);
    };
  };

  var pathDimensions = (R.pathBBox = function (path) {
      var pth = paths(path);
      if (pth.bbox) {
        return pth.bbox;
      }
      if (!path) {
        return { x: 0, y: 0, width: 0, height: 0, x2: 0, y2: 0 };
      }
      path = path2curve(path);
      var x = 0,
        y = 0,
        X = [],
        Y = [],
        p;
      for (var i = 0, ii = path.length; i < ii; i++) {
        p = path[i];
        if (p[0] == 'M') {
          x = p[1];
          y = p[2];
          X.push(x);
          Y.push(y);
        } else {
          var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
          X = X[concat](dim.min.x, dim.max.x);
          Y = Y[concat](dim.min.y, dim.max.y);
          x = p[5];
          y = p[6];
        }
      }
      var xmin = mmin[apply](0, X),
        ymin = mmin[apply](0, Y),
        xmax = mmax[apply](0, X),
        ymax = mmax[apply](0, Y),
        bb = {
          x: xmin,
          y: ymin,
          x2: xmax,
          y2: ymax,
          width: xmax - xmin,
          height: ymax - ymin,
        };
      pth.bbox = clone(bb);
      return bb;
    }),
    pathClone = function (pathArray) {
      var res = clone(pathArray);
      res.toString = R._path2string;
      return res;
    },
    pathToRelative = (R._pathToRelative = function (pathArray) {
      var pth = paths(pathArray);
      if (pth.rel) {
        return pathClone(pth.rel);
      }
      if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) {
        // rough assumption
        pathArray = R.parsePathString(pathArray);
      }
      var res = [],
        x = 0,
        y = 0,
        mx = 0,
        my = 0,
        start = 0;
      if (pathArray[0][0] == 'M') {
        x = pathArray[0][1];
        y = pathArray[0][2];
        mx = x;
        my = y;
        start++;
        res.push(['M', x, y]);
      }
      for (var i = start, ii = pathArray.length; i < ii; i++) {
        var r = (res[i] = []),
          pa = pathArray[i];
        if (pa[0] != lowerCase.call(pa[0])) {
          r[0] = lowerCase.call(pa[0]);
          switch (r[0]) {
            case 'a':
              r[1] = pa[1];
              r[2] = pa[2];
              r[3] = pa[3];
              r[4] = pa[4];
              r[5] = pa[5];
              r[6] = +(pa[6] - x).toFixed(3);
              r[7] = +(pa[7] - y).toFixed(3);
              break;
            case 'v':
              r[1] = +(pa[1] - y).toFixed(3);
              break;
            case 'm':
              mx = pa[1];
              my = pa[2];
            default:
              for (var j = 1, jj = pa.length; j < jj; j++) {
                r[j] = +(pa[j] - (j % 2 ? x : y)).toFixed(3);
              }
          }
        } else {
          r = res[i] = [];
          if (pa[0] == 'm') {
            mx = pa[1] + x;
            my = pa[2] + y;
          }
          for (var k = 0, kk = pa.length; k < kk; k++) {
            res[i][k] = pa[k];
          }
        }
        var len = res[i].length;
        switch (res[i][0]) {
          case 'z':
            x = mx;
            y = my;
            break;
          case 'h':
            x += +res[i][len - 1];
            break;
          case 'v':
            y += +res[i][len - 1];
            break;
          default:
            x += +res[i][len - 2];
            y += +res[i][len - 1];
        }
      }
      res.toString = R._path2string;
      pth.rel = pathClone(res);
      return res;
    }),
    pathToAbsolute = (R._pathToAbsolute = function (pathArray) {
      var pth = paths(pathArray);
      if (pth.abs) {
        return pathClone(pth.abs);
      }
      if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) {
        // rough assumption
        pathArray = R.parsePathString(pathArray);
      }
      if (!pathArray || !pathArray.length) {
        return [['M', 0, 0]];
      }
      var res = [],
        x = 0,
        y = 0,
        mx = 0,
        my = 0,
        start = 0;
      if (pathArray[0][0] == 'M') {
        x = +pathArray[0][1];
        y = +pathArray[0][2];
        mx = x;
        my = y;
        start++;
        res[0] = ['M', x, y];
      }
      var crz =
        pathArray.length == 3 && pathArray[0][0] == 'M' && pathArray[1][0].toUpperCase() == 'R' && pathArray[2][0].toUpperCase() == 'Z';
      for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {
        res.push((r = []));
        pa = pathArray[i];
        if (pa[0] != upperCase.call(pa[0])) {
          r[0] = upperCase.call(pa[0]);
          switch (r[0]) {
            case 'A':
              r[1] = pa[1];
              r[2] = pa[2];
              r[3] = pa[3];
              r[4] = pa[4];
              r[5] = pa[5];
              r[6] = +(pa[6] + x);
              r[7] = +(pa[7] + y);
              break;
            case 'V':
              r[1] = +pa[1] + y;
              break;
            case 'H':
              r[1] = +pa[1] + x;
              break;
            case 'R':
              var dots = [x, y][concat](pa.slice(1));
              for (var j = 2, jj = dots.length; j < jj; j++) {
                dots[j] = +dots[j] + x;
                dots[++j] = +dots[j] + y;
              }
              res.pop();
              res = res[concat](catmullRom2bezier(dots, crz));
              break;
            case 'M':
              mx = +pa[1] + x;
              my = +pa[2] + y;
            default:
              for (j = 1, jj = pa.length; j < jj; j++) {
                r[j] = +pa[j] + (j % 2 ? x : y);
              }
          }
        } else if (pa[0] == 'R') {
          dots = [x, y][concat](pa.slice(1));
          res.pop();
          res = res[concat](catmullRom2bezier(dots, crz));
          r = ['R'][concat](pa.slice(-2));
        } else {
          for (var k = 0, kk = pa.length; k < kk; k++) {
            r[k] = pa[k];
          }
        }
        switch (r[0]) {
          case 'Z':
            x = mx;
            y = my;
            break;
          case 'H':
            x = r[1];
            break;
          case 'V':
            y = r[1];
            break;
          case 'M':
            mx = r[r.length - 2];
            my = r[r.length - 1];
          default:
            x = r[r.length - 2];
            y = r[r.length - 1];
        }
      }
      res.toString = R._path2string;
      pth.abs = pathClone(res);
      return res;
    }),
    l2c = function (x1, y1, x2, y2) {
      return [x1, y1, x2, y2, x2, y2];
    },
    q2c = function (x1, y1, ax, ay, x2, y2) {
      var _13 = 1 / 3,
        _23 = 2 / 3;
      return [_13 * x1 + _23 * ax, _13 * y1 + _23 * ay, _13 * x2 + _23 * ax, _13 * y2 + _23 * ay, x2, y2];
    },
    a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
      // for more information of where this math came from visit:
      // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
      var _120 = (PI * 120) / 180,
        rad = (PI / 180) * (+angle || 0),
        res = [],
        xy,
        rotate = cacher(function (x, y, rad) {
          var X = x * math.cos(rad) - y * math.sin(rad),
            Y = x * math.sin(rad) + y * math.cos(rad);
          return { x: X, y: Y };
        });
      if (!recursive) {
        xy = rotate(x1, y1, -rad);
        x1 = xy.x;
        y1 = xy.y;
        xy = rotate(x2, y2, -rad);
        x2 = xy.x;
        y2 = xy.y;
        var cos = math.cos((PI / 180) * angle),
          sin = math.sin((PI / 180) * angle),
          x = (x1 - x2) / 2,
          y = (y1 - y2) / 2;
        var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
        if (h > 1) {
          h = math.sqrt(h);
          rx = h * rx;
          ry = h * ry;
        }
        var rx2 = rx * rx,
          ry2 = ry * ry,
          k =
            (large_arc_flag == sweep_flag ? -1 : 1) * math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
          cx = (k * rx * y) / ry + (x1 + x2) / 2,
          cy = (k * -ry * x) / rx + (y1 + y2) / 2,
          f1 = math.asin(((y1 - cy) / ry).toFixed(9)),
          f2 = math.asin(((y2 - cy) / ry).toFixed(9));

        f1 = x1 < cx ? PI - f1 : f1;
        f2 = x2 < cx ? PI - f2 : f2;
        f1 < 0 && (f1 = PI * 2 + f1);
        f2 < 0 && (f2 = PI * 2 + f2);
        if (sweep_flag && f1 > f2) {
          f1 = f1 - PI * 2;
        }
        if (!sweep_flag && f2 > f1) {
          f2 = f2 - PI * 2;
        }
      } else {
        f1 = recursive[0];
        f2 = recursive[1];
        cx = recursive[2];
        cy = recursive[3];
      }
      var df = f2 - f1;
      if (abs(df) > _120) {
        var f2old = f2,
          x2old = x2,
          y2old = y2;
        f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
        x2 = cx + rx * math.cos(f2);
        y2 = cy + ry * math.sin(f2);
        res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
      }
      df = f2 - f1;
      var c1 = math.cos(f1),
        s1 = math.sin(f1),
        c2 = math.cos(f2),
        s2 = math.sin(f2),
        t = math.tan(df / 4),
        hx = (4 / 3) * rx * t,
        hy = (4 / 3) * ry * t,
        m1 = [x1, y1],
        m2 = [x1 + hx * s1, y1 - hy * c1],
        m3 = [x2 + hx * s2, y2 - hy * c2],
        m4 = [x2, y2];
      m2[0] = 2 * m1[0] - m2[0];
      m2[1] = 2 * m1[1] - m2[1];
      if (recursive) {
        return [m2, m3, m4][concat](res);
      } else {
        res = [m2, m3, m4][concat](res).join()[split](',');
        var newres = [];
        for (var i = 0, ii = res.length; i < ii; i++) {
          newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
        }
        return newres;
      }
    },
    findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
      var t1 = 1 - t;
      return {
        x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
        y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y,
      };
    },
    curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
      var a = c2x - 2 * c1x + p1x - (p2x - 2 * c2x + c1x),
        b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
        c = p1x - c1x,
        t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,
        t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,
        y = [p1y, p2y],
        x = [p1x, p2x],
        dot;
      abs(t1) > '1e12' && (t1 = 0.5);
      abs(t2) > '1e12' && (t2 = 0.5);
      if (t1 > 0 && t1 < 1) {
        dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
        x.push(dot.x);
        y.push(dot.y);
      }
      if (t2 > 0 && t2 < 1) {
        dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
        x.push(dot.x);
        y.push(dot.y);
      }
      a = c2y - 2 * c1y + p1y - (p2y - 2 * c2y + c1y);
      b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
      c = p1y - c1y;
      t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;
      t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;
      abs(t1) > '1e12' && (t1 = 0.5);
      abs(t2) > '1e12' && (t2 = 0.5);
      if (t1 > 0 && t1 < 1) {
        dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
        x.push(dot.x);
        y.push(dot.y);
      }
      if (t2 > 0 && t2 < 1) {
        dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
        x.push(dot.x);
        y.push(dot.y);
      }
      return {
        min: { x: mmin[apply](0, x), y: mmin[apply](0, y) },
        max: { x: mmax[apply](0, x), y: mmax[apply](0, y) },
      };
    }),
    path2curve = (R._path2curve = cacher(
      function (path, path2) {
        var pth = !path2 && paths(path);
        if (!path2 && pth.curve) {
          return pathClone(pth.curve);
        }
        var p = pathToAbsolute(path),
          p2 = path2 && pathToAbsolute(path2),
          attrs = { x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null },
          attrs2 = { x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null },
          processPath = function (path, d) {
            var nx, ny;
            if (!path) {
              return ['C', d.x, d.y, d.x, d.y, d.x, d.y];
            }
            !(path[0] in { T: 1, Q: 1 }) && (d.qx = d.qy = null);
            switch (path[0]) {
              case 'M':
                d.X = path[1];
                d.Y = path[2];
                break;
              case 'A':
                path = ['C'][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));
                break;
              case 'S':
                nx = d.x + (d.x - (d.bx || d.x));
                ny = d.y + (d.y - (d.by || d.y));
                path = ['C', nx, ny][concat](path.slice(1));
                break;
              case 'T':
                d.qx = d.x + (d.x - (d.qx || d.x));
                d.qy = d.y + (d.y - (d.qy || d.y));
                path = ['C'][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
                break;
              case 'Q':
                d.qx = path[1];
                d.qy = path[2];
                path = ['C'][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
                break;
              case 'L':
                path = ['C'][concat](l2c(d.x, d.y, path[1], path[2]));
                break;
              case 'H':
                path = ['C'][concat](l2c(d.x, d.y, path[1], d.y));
                break;
              case 'V':
                path = ['C'][concat](l2c(d.x, d.y, d.x, path[1]));
                break;
              case 'Z':
                path = ['C'][concat](l2c(d.x, d.y, d.X, d.Y));
                break;
            }
            return path;
          },
          fixArc = function (pp, i) {
            if (pp[i].length > 7) {
              pp[i].shift();
              var pi = pp[i];
              while (pi.length) {
                pp.splice(i++, 0, ['C'][concat](pi.splice(0, 6)));
              }
              pp.splice(i, 1);
              ii = mmax(p.length, (p2 && p2.length) || 0);
            }
          },
          fixM = function (path1, path2, a1, a2, i) {
            if (path1 && path2 && path1[i][0] == 'M' && path2[i][0] != 'M') {
              path2.splice(i, 0, ['M', a2.x, a2.y]);
              a1.bx = 0;
              a1.by = 0;
              a1.x = path1[i][1];
              a1.y = path1[i][2];
              ii = mmax(p.length, (p2 && p2.length) || 0);
            }
          };
        for (var i = 0, ii = mmax(p.length, (p2 && p2.length) || 0); i < ii; i++) {
          p[i] = processPath(p[i], attrs);
          fixArc(p, i);
          p2 && (p2[i] = processPath(p2[i], attrs2));
          p2 && fixArc(p2, i);
          fixM(p, p2, attrs, attrs2, i);
          fixM(p2, p, attrs2, attrs, i);
          var seg = p[i],
            seg2 = p2 && p2[i],
            seglen = seg.length,
            seg2len = p2 && seg2.length;
          attrs.x = seg[seglen - 2];
          attrs.y = seg[seglen - 1];
          attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
          attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
          attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
          attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
          attrs2.x = p2 && seg2[seg2len - 2];
          attrs2.y = p2 && seg2[seg2len - 1];
        }
        if (!p2) {
          pth.curve = pathClone(p);
        }
        return p2 ? [p, p2] : p;
      },
      null,
      pathClone
    )),
    parseDots = (R._parseDots = cacher(function (gradient) {
      var dots = [];
      for (var i = 0, ii = gradient.length; i < ii; i++) {
        var dot = {},
          par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
        dot.color = R.getRGB(par[1]);
        if (dot.color.error) {
          return null;
        }
        dot.color = dot.color.hex;
        par[2] && (dot.offset = par[2] + '%');
        dots.push(dot);
      }
      for (i = 1, ii = dots.length - 1; i < ii; i++) {
        if (!dots[i].offset) {
          var start = toFloat(dots[i - 1].offset || 0),
            end = 0;
          for (var j = i + 1; j < ii; j++) {
            if (dots[j].offset) {
              end = dots[j].offset;
              break;
            }
          }
          if (!end) {
            end = 100;
            j = ii;
          }
          end = toFloat(end);
          var d = (end - start) / (j - i + 1);
          for (; i < j; i++) {
            start += d;
            dots[i].offset = start + '%';
          }
        }
      }
      return dots;
    })),
    tear = (R._tear = function (el, paper) {
      el == paper.top && (paper.top = el.prev);
      el == paper.bottom && (paper.bottom = el.next);
      el.next && (el.next.prev = el.prev);
      el.prev && (el.prev.next = el.next);
    }),
    tofront = (R._tofront = function (el, paper) {
      if (paper.top === el) {
        return;
      }
      tear(el, paper);
      el.next = null;
      el.prev = paper.top;
      paper.top.next = el;
      paper.top = el;
    }),
    toback = (R._toback = function (el, paper) {
      if (paper.bottom === el) {
        return;
      }
      tear(el, paper);
      el.next = paper.bottom;
      el.prev = null;
      paper.bottom.prev = el;
      paper.bottom = el;
    }),
    insertafter = (R._insertafter = function (el, el2, paper) {
      tear(el, paper);
      el2 == paper.top && (paper.top = el);
      el2.next && (el2.next.prev = el);
      el.next = el2.next;
      el.prev = el2;
      el2.next = el;
    }),
    insertbefore = (R._insertbefore = function (el, el2, paper) {
      tear(el, paper);
      el2 == paper.bottom && (paper.bottom = el);
      el2.prev && (el2.prev.next = el);
      el.prev = el2.prev;
      el2.prev = el;
      el.next = el2;
    }),
    toMatrix = (R.toMatrix = function (path, transform) {
      var bb = pathDimensions(path),
        el = {
          _: {
            transform: E,
          },
          getBBox: function () {
            return bb;
          },
        };
      extractTransform(el, transform);
      return el.matrix;
    }),
    transformPath = (R.transformPath = function (path, transform) {
      return mapPath(path, toMatrix(path, transform));
    }),
    extractTransform = (R._extractTransform = function (el, tstr) {
      if (tstr == null) {
        return el._.transform;
      }
      tstr = Str(tstr).replace(/\.{3}|\u2026/g, el._.transform || E);
      var tdata = R.parseTransformString(tstr),
        deg = 0,
        dx = 0,
        dy = 0,
        sx = 1,
        sy = 1,
        _ = el._,
        m = new Matrix();
      _.transform = tdata || [];
      if (tdata) {
        for (var i = 0, ii = tdata.length; i < ii; i++) {
          var t = tdata[i],
            tlen = t.length,
            command = Str(t[0]).toLowerCase(),
            absolute = t[0] != command,
            inver = absolute ? m.invert() : 0,
            x1,
            y1,
            x2,
            y2,
            bb;
          if (command == 't' && tlen == 3) {
            if (absolute) {
              x1 = inver.x(0, 0);
              y1 = inver.y(0, 0);
              x2 = inver.x(t[1], t[2]);
              y2 = inver.y(t[1], t[2]);
              m.translate(x2 - x1, y2 - y1);
            } else {
              m.translate(t[1], t[2]);
            }
          } else if (command == 'r') {
            if (tlen == 2) {
              bb = bb || el.getBBox(1);
              m.rotate(t[1], bb.x + bb.width / 2, bb.y + bb.height / 2);
              deg += t[1];
            } else if (tlen == 4) {
              if (absolute) {
                x2 = inver.x(t[2], t[3]);
                y2 = inver.y(t[2], t[3]);
                m.rotate(t[1], x2, y2);
              } else {
                m.rotate(t[1], t[2], t[3]);
              }
              deg += t[1];
            }
          } else if (command == 's') {
            if (tlen == 2 || tlen == 3) {
              bb = bb || el.getBBox(1);
              m.scale(t[1], t[tlen - 1], bb.x + bb.width / 2, bb.y + bb.height / 2);
              sx *= t[1];
              sy *= t[tlen - 1];
            } else if (tlen == 5) {
              if (absolute) {
                x2 = inver.x(t[3], t[4]);
                y2 = inver.y(t[3], t[4]);
                m.scale(t[1], t[2], x2, y2);
              } else {
                m.scale(t[1], t[2], t[3], t[4]);
              }
              sx *= t[1];
              sy *= t[2];
            }
          } else if (command == 'm' && tlen == 7) {
            m.add(t[1], t[2], t[3], t[4], t[5], t[6]);
          }
          _.dirtyT = 1;
          el.matrix = m;
        }
      }

      el.matrix = m;

      _.sx = sx;
      _.sy = sy;
      _.deg = deg;
      _.dx = dx = m.e;
      _.dy = dy = m.f;

      if (sx == 1 && sy == 1 && !deg && _.bbox) {
        _.bbox.x += +dx;
        _.bbox.y += +dy;
      } else {
        _.dirtyT = 1;
      }
    }),
    getEmpty = function (item) {
      var l = item[0];
      switch (l.toLowerCase()) {
        case 't':
          return [l, 0, 0];
        case 'm':
          return [l, 1, 0, 0, 1, 0, 0];
        case 'r':
          if (item.length == 4) {
            return [l, 0, item[2], item[3]];
          } else {
            return [l, 0];
          }
        case 's':
          if (item.length == 5) {
            return [l, 1, 1, item[3], item[4]];
          } else if (item.length == 3) {
            return [l, 1, 1];
          } else {
            return [l, 1];
          }
      }
    },
    equaliseTransform = (R._equaliseTransform = function (t1, t2) {
      t2 = Str(t2).replace(/\.{3}|\u2026/g, t1);
      t1 = R.parseTransformString(t1) || [];
      t2 = R.parseTransformString(t2) || [];
      var maxlength = mmax(t1.length, t2.length),
        from = [],
        to = [],
        i = 0,
        j,
        jj,
        tt1,
        tt2;
      for (; i < maxlength; i++) {
        tt1 = t1[i] || getEmpty(t2[i]);
        tt2 = t2[i] || getEmpty(tt1);
        if (
          tt1[0] != tt2[0] ||
          (tt1[0].toLowerCase() == 'r' && (tt1[2] != tt2[2] || tt1[3] != tt2[3])) ||
          (tt1[0].toLowerCase() == 's' && (tt1[3] != tt2[3] || tt1[4] != tt2[4]))
        ) {
          return;
        }
        from[i] = [];
        to[i] = [];
        for (j = 0, jj = mmax(tt1.length, tt2.length); j < jj; j++) {
          j in tt1 && (from[i][j] = tt1[j]);
          j in tt2 && (to[i][j] = tt2[j]);
        }
      }
      return {
        from: from,
        to: to,
      };
    });
  R._getContainer = function (x, y, w, h) {
    var container;
    container = h == null && !R.is(x, 'object') ? g.doc.getElementById(x) : x;
    if (container == null) {
      return;
    }
    if (container.tagName) {
      if (y == null) {
        return {
          container: container,
          width: container.style.pixelWidth || container.offsetWidth,
          height: container.style.pixelHeight || container.offsetHeight,
        };
      } else {
        return {
          container: container,
          width: y,
          height: w,
        };
      }
    }
    return {
      container: 1,
      x: x,
      y: y,
      width: w,
      height: h,
    };
  };

  R.pathToRelative = pathToRelative;
  R._engine = {};

  R.path2curve = path2curve;

  R.matrix = function (a, b, c, d, e, f) {
    return new Matrix(a, b, c, d, e, f);
  };
  function Matrix(a, b, c, d, e, f) {
    if (a != null) {
      this.a = +a;
      this.b = +b;
      this.c = +c;
      this.d = +d;
      this.e = +e;
      this.f = +f;
    } else {
      this.a = 1;
      this.b = 0;
      this.c = 0;
      this.d = 1;
      this.e = 0;
      this.f = 0;
    }
  }
  (function (matrixproto) {
    matrixproto.add = function (a, b, c, d, e, f) {
      var out = [[], [], []],
        m = [
          [this.a, this.c, this.e],
          [this.b, this.d, this.f],
          [0, 0, 1],
        ],
        matrix = [
          [a, c, e],
          [b, d, f],
          [0, 0, 1],
        ],
        x,
        y,
        z,
        res;

      if (a && a instanceof Matrix) {
        matrix = [
          [a.a, a.c, a.e],
          [a.b, a.d, a.f],
          [0, 0, 1],
        ];
      }

      for (x = 0; x < 3; x++) {
        for (y = 0; y < 3; y++) {
          res = 0;
          for (z = 0; z < 3; z++) {
            res += m[x][z] * matrix[z][y];
          }
          out[x][y] = res;
        }
      }
      this.a = out[0][0];
      this.b = out[1][0];
      this.c = out[0][1];
      this.d = out[1][1];
      this.e = out[0][2];
      this.f = out[1][2];
    };

    matrixproto.invert = function () {
      var me = this,
        x = me.a * me.d - me.b * me.c;
      return new Matrix(me.d / x, -me.b / x, -me.c / x, me.a / x, (me.c * me.f - me.d * me.e) / x, (me.b * me.e - me.a * me.f) / x);
    };

    matrixproto.clone = function () {
      return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f);
    };

    matrixproto.translate = function (x, y) {
      this.add(1, 0, 0, 1, x, y);
    };

    matrixproto.scale = function (x, y, cx, cy) {
      y == null && (y = x);
      (cx || cy) && this.add(1, 0, 0, 1, cx, cy);
      this.add(x, 0, 0, y, 0, 0);
      (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy);
    };

    matrixproto.rotate = function (a, x, y) {
      a = R.rad(a);
      x = x || 0;
      y = y || 0;
      var cos = +math.cos(a).toFixed(9),
        sin = +math.sin(a).toFixed(9);
      this.add(cos, sin, -sin, cos, x, y);
      this.add(1, 0, 0, 1, -x, -y);
    };

    matrixproto.x = function (x, y) {
      return x * this.a + y * this.c + this.e;
    };

    matrixproto.y = function (x, y) {
      return x * this.b + y * this.d + this.f;
    };
    matrixproto.get = function (i) {
      return +this[Str.fromCharCode(97 + i)].toFixed(4);
    };
    matrixproto.toString = function () {
      return R.svg
        ? 'matrix(' + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + ')'
        : [this.get(0), this.get(2), this.get(1), this.get(3), 0, 0].join();
    };
    matrixproto.toFilter = function () {
      return (
        'progid:DXImageTransform.Microsoft.Matrix(M11=' +
        this.get(0) +
        ', M12=' +
        this.get(2) +
        ', M21=' +
        this.get(1) +
        ', M22=' +
        this.get(3) +
        ', Dx=' +
        this.get(4) +
        ', Dy=' +
        this.get(5) +
        ", sizingmethod='auto expand')"
      );
    };
    matrixproto.offset = function () {
      return [this.e.toFixed(4), this.f.toFixed(4)];
    };
    function norm(a) {
      return a[0] * a[0] + a[1] * a[1];
    }
    function normalize(a) {
      var mag = math.sqrt(norm(a));
      a[0] && (a[0] /= mag);
      a[1] && (a[1] /= mag);
    }

    matrixproto.split = function () {
      var out = {};
      // translation
      out.dx = this.e;
      out.dy = this.f;

      // scale and shear
      var row = [
        [this.a, this.c],
        [this.b, this.d],
      ];
      out.scalex = math.sqrt(norm(row[0]));
      normalize(row[0]);

      out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1];
      row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear];

      out.scaley = math.sqrt(norm(row[1]));
      normalize(row[1]);
      out.shear /= out.scaley;

      // rotation
      var sin = -row[0][1],
        cos = row[1][1];
      if (cos < 0) {
        out.rotate = R.deg(math.acos(cos));
        if (sin < 0) {
          out.rotate = 360 - out.rotate;
        }
      } else {
        out.rotate = R.deg(math.asin(sin));
      }

      out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate);
      out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate;
      out.noRotation = !+out.shear.toFixed(9) && !out.rotate;
      return out;
    };

    matrixproto.toTransformString = function (shorter) {
      var s = shorter || this[split]();
      if (s.isSimple) {
        s.scalex = +s.scalex.toFixed(4);
        s.scaley = +s.scaley.toFixed(4);
        s.rotate = +s.rotate.toFixed(4);
        return (
          (s.dx || s.dy ? 't' + [s.dx, s.dy] : E) +
          (s.scalex != 1 || s.scaley != 1 ? 's' + [s.scalex, s.scaley, 0, 0] : E) +
          (s.rotate ? 'r' + [s.rotate, 0, 0] : E)
        );
      } else {
        return 'm' + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)];
      }
    };
  })(Matrix.prototype);

  // WebKit rendering bug workaround method
  var version = navigator.userAgent.match(/Version\/(.*?)\s/) || navigator.userAgent.match(/Chrome\/(\d+)/);
  if (
    (navigator.vendor == 'Apple Computer, Inc.' && ((version && version[1] < 4) || navigator.platform.slice(0, 2) == 'iP')) ||
    (navigator.vendor == 'Google Inc.' && version && version[1] < 8)
  ) {
    paperproto.safari = function () {
      var rect = this.rect(-99, -99, this.width + 99, this.height + 99).attr({ stroke: 'none' });
      setTimeout(function () {
        rect.remove();
      });
    };
  } else {
    paperproto.safari = fun;
  }

  var preventDefault = function () {
      this.returnValue = false;
    },
    preventTouch = function () {
      return this.originalEvent.preventDefault();
    },
    stopPropagation = function () {
      this.cancelBubble = true;
    },
    stopTouch = function () {
      return this.originalEvent.stopPropagation();
    },
    addEvent = (function () {
      if (g.doc.addEventListener) {
        return function (obj, type, fn, element) {
          var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,
            f = function (e) {
              var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
                scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
                x = e.clientX + scrollX,
                y = e.clientY + scrollY;
              if (supportsTouch && touchMap[has](type)) {
                for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
                  if (e.targetTouches[i].target == obj) {
                    var olde = e;
                    e = e.targetTouches[i];
                    e.originalEvent = olde;
                    e.preventDefault = preventTouch;
                    e.stopPropagation = stopTouch;
                    break;
                  }
                }
              }
              return fn.call(element, e, x, y);
            };
          obj.addEventListener(realName, f, false);
          return function () {
            obj.removeEventListener(realName, f, false);
            return true;
          };
        };
      } else if (g.doc.attachEvent) {
        return function (obj, type, fn, element) {
          var f = function (e) {
            e = e || g.win.event;
            var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
              scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
              x = e.clientX + scrollX,
              y = e.clientY + scrollY;
            e.preventDefault = e.preventDefault || preventDefault;
            e.stopPropagation = e.stopPropagation || stopPropagation;
            return fn.call(element, e, x, y);
          };
          obj.attachEvent('on' + type, f);
          var detacher = function () {
            obj.detachEvent('on' + type, f);
            return true;
          };
          return detacher;
        };
      }
    })(),
    drag = [],
    dragMove = function (e) {
      var x = e.clientX,
        y = e.clientY,
        scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
        scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
        dragi,
        j = drag.length;
      while (j--) {
        dragi = drag[j];
        if (supportsTouch) {
          var i = e.touches.length,
            touch;
          while (i--) {
            touch = e.touches[i];
            if (touch.identifier == dragi.el._drag.id) {
              x = touch.clientX;
              y = touch.clientY;
              (e.originalEvent ? e.originalEvent : e).preventDefault();
              break;
            }
          }
        } else {
          e.preventDefault();
        }
        var node = dragi.el.node,
          o,
          next = node.nextSibling,
          parent = node.parentNode,
          display = node.style.display;
        g.win.opera && parent.removeChild(node);
        node.style.display = 'none';
        o = dragi.el.paper.getElementByPoint(x, y);
        node.style.display = display;
        g.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node));
        o && eve('raphael.drag.over.' + dragi.el.id, dragi.el, o);
        x += scrollX;
        y += scrollY;
        eve('raphael.drag.move.' + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);
      }
    },
    dragUp = function (e) {
      R.unmousemove(dragMove).unmouseup(dragUp);
      var i = drag.length,
        dragi;
      while (i--) {
        dragi = drag[i];
        dragi.el._drag = {};
        eve('raphael.drag.end.' + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);
      }
      drag = [];
    },
    elproto = (R.el = {});

  for (var i = events.length; i--; ) {
    (function (eventName) {
      R[eventName] = elproto[eventName] = function (fn, scope) {
        if (R.is(fn, 'function')) {
          this.events = this.events || [];
          this.events.push({ name: eventName, f: fn, unbind: addEvent(this.shape || this.node || g.doc, eventName, fn, scope || this) });
        }
        return this;
      };
      R['un' + eventName] = elproto['un' + eventName] = function (fn) {
        var events = this.events || [],
          l = events.length;
        while (l--)
          if (events[l].name == eventName && events[l].f == fn) {
            events[l].unbind();
            events.splice(l, 1);
            !events.length && delete this.events;
            return this;
          }
        return this;
      };
    })(events[i]);
  }

  elproto.data = function (key, value) {
    var data = (eldata[this.id] = eldata[this.id] || {});
    if (arguments.length == 1) {
      if (R.is(key, 'object')) {
        for (var i in key)
          if (key[has](i)) {
            this.data(i, key[i]);
          }
        return this;
      }
      eve('raphael.data.get.' + this.id, this, data[key], key);
      return data[key];
    }
    data[key] = value;
    eve('raphael.data.set.' + this.id, this, value, key);
    return this;
  };

  elproto.removeData = function (key) {
    if (key == null) {
      eldata[this.id] = {};
    } else {
      eldata[this.id] && delete eldata[this.id][key];
    }
    return this;
  };

  elproto.hover = function (f_in, f_out, scope_in, scope_out) {
    return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);
  };

  elproto.unhover = function (f_in, f_out) {
    return this.unmouseover(f_in).unmouseout(f_out);
  };
  var draggable = [];

  elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {
    function start(e) {
      (e.originalEvent || e).preventDefault();
      var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
        scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft;
      this._drag.x = e.clientX + scrollX;
      this._drag.y = e.clientY + scrollY;
      this._drag.id = e.identifier;
      !drag.length && R.mousemove(dragMove).mouseup(dragUp);
      drag.push({ el: this, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope });
      onstart && eve.on('raphael.drag.start.' + this.id, onstart);
      onmove && eve.on('raphael.drag.move.' + this.id, onmove);
      onend && eve.on('raphael.drag.end.' + this.id, onend);
      eve('raphael.drag.start.' + this.id, start_scope || move_scope || this, e.clientX + scrollX, e.clientY + scrollY, e);
    }
    this._drag = {};
    draggable.push({ el: this, start: start });
    this.mousedown(start);
    return this;
  };

  elproto.onDragOver = function (f) {
    f ? eve.on('raphael.drag.over.' + this.id, f) : eve.unbind('raphael.drag.over.' + this.id);
  };

  elproto.undrag = function () {
    var i = draggable.length;
    while (i--)
      if (draggable[i].el == this) {
        this.unmousedown(draggable[i].start);
        draggable.splice(i, 1);
        eve.unbind('raphael.drag.*.' + this.id);
      }
    !draggable.length && R.unmousemove(dragMove).unmouseup(dragUp);
  };

  paperproto.circle = function (x, y, r) {
    var out = R._engine.circle(this, x || 0, y || 0, r || 0);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.rect = function (x, y, w, h, r) {
    var out = R._engine.rect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.ellipse = function (x, y, rx, ry) {
    var out = R._engine.ellipse(this, x || 0, y || 0, rx || 0, ry || 0);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.path = function (pathString) {
    pathString && !R.is(pathString, string) && !R.is(pathString[0], array) && (pathString += E);
    var out = R._engine.path(R.format[apply](R, arguments), this);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.image = function (src, x, y, w, h) {
    var out = R._engine.image(this, src || 'about:blank', x || 0, y || 0, w || 0, h || 0);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.text = function (x, y, text) {
    var out = R._engine.text(this, x || 0, y || 0, Str(text));
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.set = function (itemsArray) {
    !R.is(itemsArray, 'array') && (itemsArray = Array.prototype.splice.call(arguments, 0, arguments.length));
    var out = new Set(itemsArray);
    this.__set__ && this.__set__.push(out);
    return out;
  };

  paperproto.setStart = function (set) {
    this.__set__ = set || this.set();
  };

  paperproto.setFinish = function (set) {
    var out = this.__set__;
    delete this.__set__;
    return out;
  };

  paperproto.setSize = function (width, height) {
    return R._engine.setSize.call(this, width, height);
  };

  paperproto.setViewBox = function (x, y, w, h, fit) {
    return R._engine.setViewBox.call(this, x, y, w, h, fit);
  };

  paperproto.top = paperproto.bottom = null;

  paperproto.raphael = R;
  var getOffset = function (elem) {
    var box = elem.getBoundingClientRect(),
      doc = elem.ownerDocument,
      body = doc.body,
      docElem = doc.documentElement,
      clientTop = docElem.clientTop || body.clientTop || 0,
      clientLeft = docElem.clientLeft || body.clientLeft || 0,
      top = box.top + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop) - clientTop,
      left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft;
    return {
      y: top,
      x: left,
    };
  };

  paperproto.getElementByPoint = function (x, y) {
    var paper = this,
      svg = paper.canvas,
      target = g.doc.elementFromPoint(x, y);
    if (g.win.opera && target.tagName == 'svg') {
      var so = getOffset(svg),
        sr = svg.createSVGRect();
      sr.x = x - so.x;
      sr.y = y - so.y;
      sr.width = sr.height = 1;
      var hits = svg.getIntersectionList(sr, null);
      if (hits.length) {
        target = hits[hits.length - 1];
      }
    }
    if (!target) {
      return null;
    }
    while (target.parentNode && target != svg.parentNode && !target.raphael) {
      target = target.parentNode;
    }
    target == paper.canvas.parentNode && (target = svg);
    target = target && target.raphael ? paper.getById(target.raphaelid) : null;
    return target;
  };

  paperproto.getById = function (id) {
    var bot = this.bottom;
    while (bot) {
      if (bot.id == id) {
        return bot;
      }
      bot = bot.next;
    }
    return null;
  };

  paperproto.forEach = function (callback, thisArg) {
    var bot = this.bottom;
    while (bot) {
      if (callback.call(thisArg, bot) === false) {
        return this;
      }
      bot = bot.next;
    }
    return this;
  };

  paperproto.getElementsByPoint = function (x, y) {
    var set = this.set();
    this.forEach(function (el) {
      if (el.isPointInside(x, y)) {
        set.push(el);
      }
    });
    return set;
  };
  function x_y() {
    return this.x + S + this.y;
  }
  function x_y_w_h() {
    return this.x + S + this.y + S + this.width + ' \xd7 ' + this.height;
  }

  elproto.isPointInside = function (x, y) {
    var rp = (this.realPath = this.realPath || getPath[this.type](this));
    return R.isPointInsidePath(rp, x, y);
  };

  elproto.getBBox = function (isWithoutTransform) {
    if (this.removed) {
      return {};
    }
    var _ = this._;
    if (isWithoutTransform) {
      if (_.dirty || !_.bboxwt) {
        this.realPath = getPath[this.type](this);
        _.bboxwt = pathDimensions(this.realPath);
        _.bboxwt.toString = x_y_w_h;
        _.dirty = 0;
      }
      return _.bboxwt;
    }
    if (_.dirty || _.dirtyT || !_.bbox) {
      if (_.dirty || !this.realPath) {
        _.bboxwt = 0;
        this.realPath = getPath[this.type](this);
      }
      _.bbox = pathDimensions(mapPath(this.realPath, this.matrix));
      _.bbox.toString = x_y_w_h;
      _.dirty = _.dirtyT = 0;
    }
    return _.bbox;
  };

  elproto.clone = function () {
    if (this.removed) {
      return null;
    }
    var out = this.paper[this.type]().attr(this.attr());
    this.__set__ && this.__set__.push(out);
    return out;
  };

  elproto.glow = function (glow) {
    if (this.type == 'text') {
      return null;
    }
    glow = glow || {};
    var s = {
        width: (glow.width || 10) + (+this.attr('stroke-width') || 1),
        fill: glow.fill || false,
        opacity: glow.opacity || 0.5,
        offsetx: glow.offsetx || 0,
        offsety: glow.offsety || 0,
        color: glow.color || '#000',
      },
      c = s.width / 2,
      r = this.paper,
      out = r.set(),
      path = this.realPath || getPath[this.type](this);
    path = this.matrix ? mapPath(path, this.matrix) : path;
    for (var i = 1; i < c + 1; i++) {
      out.push(
        r.path(path).attr({
          stroke: s.color,
          fill: s.fill ? s.color : 'none',
          'stroke-linejoin': 'round',
          'stroke-linecap': 'round',
          'stroke-width': +((s.width / c) * i).toFixed(3),
          opacity: +(s.opacity / c).toFixed(3),
        })
      );
    }
    return out.insertBefore(this).translate(s.offsetx, s.offsety);
  };
  var curveslengths = {},
    getPointAtSegmentLength = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
      if (length == null) {
        return bezlen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);
      } else {
        return R.findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, getTatLen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length));
      }
    },
    getLengthFactory = function (istotal, subpath) {
      return function (path, length, onlystart) {
        path = path2curve(path);
        var x,
          y,
          p,
          l,
          sp = '',
          subpaths = {},
          point,
          len = 0;
        for (var i = 0, ii = path.length; i < ii; i++) {
          p = path[i];
          if (p[0] == 'M') {
            x = +p[1];
            y = +p[2];
          } else {
            l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
            if (len + l > length) {
              if (subpath && !subpaths.start) {
                point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
                sp += ['C' + point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
                if (onlystart) {
                  return sp;
                }
                subpaths.start = sp;
                sp = ['M' + point.x, point.y + 'C' + point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]].join();
                len += l;
                x = +p[5];
                y = +p[6];
                continue;
              }
              if (!istotal && !subpath) {
                point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
                return { x: point.x, y: point.y, alpha: point.alpha };
              }
            }
            len += l;
            x = +p[5];
            y = +p[6];
          }
          sp += p.shift() + p;
        }
        subpaths.end = sp;
        point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1);
        point.alpha && (point = { x: point.x, y: point.y, alpha: point.alpha });
        return point;
      };
    };
  var getTotalLength = getLengthFactory(1),
    getPointAtLength = getLengthFactory(),
    getSubpathsAtLength = getLengthFactory(0, 1);

  R.getTotalLength = getTotalLength;

  R.getPointAtLength = getPointAtLength;

  R.getSubpath = function (path, from, to) {
    if (this.getTotalLength(path) - to < 1e-6) {
      return getSubpathsAtLength(path, from).end;
    }
    var a = getSubpathsAtLength(path, to, 1);
    return from ? getSubpathsAtLength(a, from).end : a;
  };

  elproto.getTotalLength = function () {
    if (this.type != 'path') {
      return;
    }
    if (this.node.getTotalLength) {
      return this.node.getTotalLength();
    }
    return getTotalLength(this.attrs.path);
  };

  elproto.getPointAtLength = function (length) {
    if (this.type != 'path') {
      return;
    }
    return getPointAtLength(this.attrs.path, length);
  };

  elproto.getSubpath = function (from, to) {
    if (this.type != 'path') {
      return;
    }
    return R.getSubpath(this.attrs.path, from, to);
  };

  var ef = (R.easing_formulas = {
    linear: function (n) {
      return n;
    },
    '<': function (n) {
      return pow(n, 1.7);
    },
    '>': function (n) {
      return pow(n, 0.48);
    },
    '<>': function (n) {
      var q = 0.48 - n / 1.04,
        Q = math.sqrt(0.1734 + q * q),
        x = Q - q,
        X = pow(abs(x), 1 / 3) * (x < 0 ? -1 : 1),
        y = -Q - q,
        Y = pow(abs(y), 1 / 3) * (y < 0 ? -1 : 1),
        t = X + Y + 0.5;
      return (1 - t) * 3 * t * t + t * t * t;
    },
    backIn: function (n) {
      var s = 1.70158;
      return n * n * ((s + 1) * n - s);
    },
    backOut: function (n) {
      n = n - 1;
      var s = 1.70158;
      return n * n * ((s + 1) * n + s) + 1;
    },
    elastic: function (n) {
      if (n == !!n) {
        return n;
      }
      return pow(2, -10 * n) * math.sin(((n - 0.075) * (2 * PI)) / 0.3) + 1;
    },
    bounce: function (n) {
      var s = 7.5625,
        p = 2.75,
        l;
      if (n < 1 / p) {
        l = s * n * n;
      } else {
        if (n < 2 / p) {
          n -= 1.5 / p;
          l = s * n * n + 0.75;
        } else {
          if (n < 2.5 / p) {
            n -= 2.25 / p;
            l = s * n * n + 0.9375;
          } else {
            n -= 2.625 / p;
            l = s * n * n + 0.984375;
          }
        }
      }
      return l;
    },
  });
  ef.easeIn = ef['ease-in'] = ef['<'];
  ef.easeOut = ef['ease-out'] = ef['>'];
  ef.easeInOut = ef['ease-in-out'] = ef['<>'];
  ef['back-in'] = ef.backIn;
  ef['back-out'] = ef.backOut;

  var animationElements = [],
    requestAnimFrame =
      window.requestAnimationFrame ||
      window.webkitRequestAnimationFrame ||
      window.mozRequestAnimationFrame ||
      window.oRequestAnimationFrame ||
      window.msRequestAnimationFrame ||
      function (callback) {
        setTimeout(callback, 16);
      },
    animation = function () {
      var Now = +new Date(),
        l = 0;
      for (; l < animationElements.length; l++) {
        var e = animationElements[l];
        if (e.el.removed || e.paused) {
          continue;
        }
        var time = Now - e.start,
          ms = e.ms,
          easing = e.easing,
          from = e.from,
          diff = e.diff,
          to = e.to,
          t = e.t,
          that = e.el,
          set = {},
          now,
          init = {},
          key;
        if (e.initstatus) {
          time = ((e.initstatus * e.anim.top - e.prev) / (e.percent - e.prev)) * ms;
          e.status = e.initstatus;
          delete e.initstatus;
          e.stop && animationElements.splice(l--, 1);
        } else {
          e.status = (e.prev + (e.percent - e.prev) * (time / ms)) / e.anim.top;
        }
        if (time < 0) {
          continue;
        }
        if (time < ms) {
          var pos = easing(time / ms);
          for (var attr in from)
            if (from[has](attr)) {
              switch (availableAnimAttrs[attr]) {
                case nu:
                  now = +from[attr] + pos * ms * diff[attr];
                  break;
                case 'colour':
                  now =
                    'rgb(' +
                    [
                      upto255(round(from[attr].r + pos * ms * diff[attr].r)),
                      upto255(round(from[attr].g + pos * ms * diff[attr].g)),
                      upto255(round(from[attr].b + pos * ms * diff[attr].b)),
                    ].join(',') +
                    ')';
                  break;
                case 'path':
                  now = [];
                  for (var i = 0, ii = from[attr].length; i < ii; i++) {
                    now[i] = [from[attr][i][0]];
                    for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
                      now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
                    }
                    now[i] = now[i].join(S);
                  }
                  now = now.join(S);
                  break;
                case 'transform':
                  if (diff[attr].real) {
                    now = [];
                    for (i = 0, ii = from[attr].length; i < ii; i++) {
                      now[i] = [from[attr][i][0]];
                      for (j = 1, jj = from[attr][i].length; j < jj; j++) {
                        now[i][j] = from[attr][i][j] + pos * ms * diff[attr][i][j];
                      }
                    }
                  } else {
                    var get = function (i) {
                      return +from[attr][i] + pos * ms * diff[attr][i];
                    };
                    // now = [["r", get(2), 0, 0], ["t", get(3), get(4)], ["s", get(0), get(1), 0, 0]];
                    now = [['m', get(0), get(1), get(2), get(3), get(4), get(5)]];
                  }
                  break;
                case 'csv':
                  if (attr == 'clip-rect') {
                    now = [];
                    i = 4;
                    while (i--) {
                      now[i] = +from[attr][i] + pos * ms * diff[attr][i];
                    }
                  }
                  break;
                default:
                  var from2 = [][concat](from[attr]);
                  now = [];
                  i = that.paper.customAttributes[attr].length;
                  while (i--) {
                    now[i] = +from2[i] + pos * ms * diff[attr][i];
                  }
                  break;
              }
              set[attr] = now;
            }
          that.attr(set);
          (function (id, that, anim) {
            setTimeout(function () {
              eve('raphael.anim.frame.' + id, that, anim);
            });
          })(that.id, that, e.anim);
        } else {
          (function (f, el, a) {
            setTimeout(function () {
              eve('raphael.anim.frame.' + el.id, el, a);
              eve('raphael.anim.finish.' + el.id, el, a);
              R.is(f, 'function') && f.call(el);
            });
          })(e.callback, that, e.anim);
          that.attr(to);
          animationElements.splice(l--, 1);
          if (e.repeat > 1 && !e.next) {
            for (key in to)
              if (to[has](key)) {
                init[key] = e.totalOrigin[key];
              }
            e.el.attr(init);
            runAnimation(e.anim, e.el, e.anim.percents[0], null, e.totalOrigin, e.repeat - 1);
          }
          if (e.next && !e.stop) {
            runAnimation(e.anim, e.el, e.next, null, e.totalOrigin, e.repeat);
          }
        }
      }
      R.svg && that && that.paper && that.paper.safari();
      animationElements.length && requestAnimFrame(animation);
    },
    upto255 = function (color) {
      return color > 255 ? 255 : color < 0 ? 0 : color;
    };

  elproto.animateWith = function (el, anim, params, ms, easing, callback) {
    var element = this;
    if (element.removed) {
      callback && callback.call(element);
      return element;
    }
    var a = params instanceof Animation ? params : R.animation(params, ms, easing, callback),
      x,
      y;
    runAnimation(a, element, a.percents[0], null, element.attr());
    for (var i = 0, ii = animationElements.length; i < ii; i++) {
      if (animationElements[i].anim == anim && animationElements[i].el == el) {
        animationElements[ii - 1].start = animationElements[i].start;
        break;
      }
    }
    return element;
    //
    //
    // var a = params ? R.animation(params, ms, easing, callback) : anim,
    //     status = element.status(anim);
    // return this.animate(a).status(a, status * anim.ms / a.ms);
  };
  function CubicBezierAtTime(t, p1x, p1y, p2x, p2y, duration) {
    var cx = 3 * p1x,
      bx = 3 * (p2x - p1x) - cx,
      ax = 1 - cx - bx,
      cy = 3 * p1y,
      by = 3 * (p2y - p1y) - cy,
      ay = 1 - cy - by;
    function sampleCurveX(t) {
      return ((ax * t + bx) * t + cx) * t;
    }
    function solve(x, epsilon) {
      var t = solveCurveX(x, epsilon);
      return ((ay * t + by) * t + cy) * t;
    }
    function solveCurveX(x, epsilon) {
      var t0, t1, t2, x2, d2, i;
      for (t2 = x, i = 0; i < 8; i++) {
        x2 = sampleCurveX(t2) - x;
        if (abs(x2) < epsilon) {
          return t2;
        }
        d2 = (3 * ax * t2 + 2 * bx) * t2 + cx;
        if (abs(d2) < 1e-6) {
          break;
        }
        t2 = t2 - x2 / d2;
      }
      t0 = 0;
      t1 = 1;
      t2 = x;
      if (t2 < t0) {
        return t0;
      }
      if (t2 > t1) {
        return t1;
      }
      while (t0 < t1) {
        x2 = sampleCurveX(t2);
        if (abs(x2 - x) < epsilon) {
          return t2;
        }
        if (x > x2) {
          t0 = t2;
        } else {
          t1 = t2;
        }
        t2 = (t1 - t0) / 2 + t0;
      }
      return t2;
    }
    return solve(t, 1 / (200 * duration));
  }
  elproto.onAnimation = function (f) {
    f ? eve.on('raphael.anim.frame.' + this.id, f) : eve.unbind('raphael.anim.frame.' + this.id);
    return this;
  };
  function Animation(anim, ms) {
    var percents = [],
      newAnim = {};
    this.ms = ms;
    this.times = 1;
    if (anim) {
      for (var attr in anim)
        if (anim[has](attr)) {
          newAnim[toFloat(attr)] = anim[attr];
          percents.push(toFloat(attr));
        }
      percents.sort(sortByNumber);
    }
    this.anim = newAnim;
    this.top = percents[percents.length - 1];
    this.percents = percents;
  }

  Animation.prototype.delay = function (delay) {
    var a = new Animation(this.anim, this.ms);
    a.times = this.times;
    a.del = +delay || 0;
    return a;
  };

  Animation.prototype.repeat = function (times) {
    var a = new Animation(this.anim, this.ms);
    a.del = this.del;
    a.times = math.floor(mmax(times, 0)) || 1;
    return a;
  };
  function runAnimation(anim, element, percent, status, totalOrigin, times) {
    percent = toFloat(percent);
    var params,
      isInAnim,
      isInAnimSet,
      percents = [],
      next,
      prev,
      timestamp,
      ms = anim.ms,
      from = {},
      to = {},
      diff = {};
    if (status) {
      for (i = 0, ii = animationElements.length; i < ii; i++) {
        var e = animationElements[i];
        if (e.el.id == element.id && e.anim == anim) {
          if (e.percent != percent) {
            animationElements.splice(i, 1);
            isInAnimSet = 1;
          } else {
            isInAnim = e;
          }
          element.attr(e.totalOrigin);
          break;
        }
      }
    } else {
      status = +to; // NaN
    }
    for (var i = 0, ii = anim.percents.length; i < ii; i++) {
      if (anim.percents[i] == percent || anim.percents[i] > status * anim.top) {
        percent = anim.percents[i];
        prev = anim.percents[i - 1] || 0;
        ms = (ms / anim.top) * (percent - prev);
        next = anim.percents[i + 1];
        params = anim.anim[percent];
        break;
      } else if (status) {
        element.attr(anim.anim[anim.percents[i]]);
      }
    }
    if (!params) {
      return;
    }
    if (!isInAnim) {
      for (var attr in params)
        if (params[has](attr)) {
          if (availableAnimAttrs[has](attr) || element.paper.customAttributes[has](attr)) {
            from[attr] = element.attr(attr);
            from[attr] == null && (from[attr] = availableAttrs[attr]);
            to[attr] = params[attr];
            switch (availableAnimAttrs[attr]) {
              case nu:
                diff[attr] = (to[attr] - from[attr]) / ms;
                break;
              case 'colour':
                from[attr] = R.getRGB(from[attr]);
                var toColour = R.getRGB(to[attr]);
                diff[attr] = {
                  r: (toColour.r - from[attr].r) / ms,
                  g: (toColour.g - from[attr].g) / ms,
                  b: (toColour.b - from[attr].b) / ms,
                };
                break;
              case 'path':
                var pathes = path2curve(from[attr], to[attr]),
                  toPath = pathes[1];
                from[attr] = pathes[0];
                diff[attr] = [];
                for (i = 0, ii = from[attr].length; i < ii; i++) {
                  diff[attr][i] = [0];
                  for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
                    diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
                  }
                }
                break;
              case 'transform':
                var _ = element._,
                  eq = equaliseTransform(_[attr], to[attr]);
                if (eq) {
                  from[attr] = eq.from;
                  to[attr] = eq.to;
                  diff[attr] = [];
                  diff[attr].real = true;
                  for (i = 0, ii = from[attr].length; i < ii; i++) {
                    diff[attr][i] = [from[attr][i][0]];
                    for (j = 1, jj = from[attr][i].length; j < jj; j++) {
                      diff[attr][i][j] = (to[attr][i][j] - from[attr][i][j]) / ms;
                    }
                  }
                } else {
                  var m = element.matrix || new Matrix(),
                    to2 = {
                      _: { transform: _.transform },
                      getBBox: function () {
                        return element.getBBox(1);
                      },
                    };
                  from[attr] = [m.a, m.b, m.c, m.d, m.e, m.f];
                  extractTransform(to2, to[attr]);
                  to[attr] = to2._.transform;
                  diff[attr] = [
                    (to2.matrix.a - m.a) / ms,
                    (to2.matrix.b - m.b) / ms,
                    (to2.matrix.c - m.c) / ms,
                    (to2.matrix.d - m.d) / ms,
                    (to2.matrix.e - m.e) / ms,
                    (to2.matrix.f - m.f) / ms,
                  ];
                  // from[attr] = [_.sx, _.sy, _.deg, _.dx, _.dy];
                  // var to2 = {_:{}, getBBox: function () { return element.getBBox(); }};
                  // extractTransform(to2, to[attr]);
                  // diff[attr] = [
                  //     (to2._.sx - _.sx) / ms,
                  //     (to2._.sy - _.sy) / ms,
                  //     (to2._.deg - _.deg) / ms,
                  //     (to2._.dx - _.dx) / ms,
                  //     (to2._.dy - _.dy) / ms
                  // ];
                }
                break;
              case 'csv':
                var values = Str(params[attr])[split](separator),
                  from2 = Str(from[attr])[split](separator);
                if (attr == 'clip-rect') {
                  from[attr] = from2;
                  diff[attr] = [];
                  i = from2.length;
                  while (i--) {
                    diff[attr][i] = (values[i] - from[attr][i]) / ms;
                  }
                }
                to[attr] = values;
                break;
              default:
                values = [][concat](params[attr]);
                from2 = [][concat](from[attr]);
                diff[attr] = [];
                i = element.paper.customAttributes[attr].length;
                while (i--) {
                  diff[attr][i] = ((values[i] || 0) - (from2[i] || 0)) / ms;
                }
                break;
            }
          }
        }
      var easing = params.easing,
        easyeasy = R.easing_formulas[easing];
      if (!easyeasy) {
        easyeasy = Str(easing).match(bezierrg);
        if (easyeasy && easyeasy.length == 5) {
          var curve = easyeasy;
          easyeasy = function (t) {
            return CubicBezierAtTime(t, +curve[1], +curve[2], +curve[3], +curve[4], ms);
          };
        } else {
          easyeasy = pipe;
        }
      }
      timestamp = params.start || anim.start || +new Date();
      e = {
        anim: anim,
        percent: percent,
        timestamp: timestamp,
        start: timestamp + (anim.del || 0),
        status: 0,
        initstatus: status || 0,
        stop: false,
        ms: ms,
        easing: easyeasy,
        from: from,
        diff: diff,
        to: to,
        el: element,
        callback: params.callback,
        prev: prev,
        next: next,
        repeat: times || anim.times,
        origin: element.attr(),
        totalOrigin: totalOrigin,
      };
      animationElements.push(e);
      if (status && !isInAnim && !isInAnimSet) {
        e.stop = true;
        e.start = new Date() - ms * status;
        if (animationElements.length == 1) {
          return animation();
        }
      }
      if (isInAnimSet) {
        e.start = new Date() - e.ms * status;
      }
      animationElements.length == 1 && requestAnimFrame(animation);
    } else {
      isInAnim.initstatus = status;
      isInAnim.start = new Date() - isInAnim.ms * status;
    }
    eve('raphael.anim.start.' + element.id, element, anim);
  }

  R.animation = function (params, ms, easing, callback) {
    if (params instanceof Animation) {
      return params;
    }
    if (R.is(easing, 'function') || !easing) {
      callback = callback || easing || null;
      easing = null;
    }
    params = Object(params);
    ms = +ms || 0;
    var p = {},
      json,
      attr;
    for (attr in params)
      if (params[has](attr) && toFloat(attr) != attr && toFloat(attr) + '%' != attr) {
        json = true;
        p[attr] = params[attr];
      }
    if (!json) {
      return new Animation(params, ms);
    } else {
      easing && (p.easing = easing);
      callback && (p.callback = callback);
      return new Animation({ 100: p }, ms);
    }
  };

  elproto.animate = function (params, ms, easing, callback) {
    var element = this;
    if (element.removed) {
      callback && callback.call(element);
      return element;
    }
    var anim = params instanceof Animation ? params : R.animation(params, ms, easing, callback);
    runAnimation(anim, element, anim.percents[0], null, element.attr());
    return element;
  };

  elproto.setTime = function (anim, value) {
    if (anim && value != null) {
      this.status(anim, mmin(value, anim.ms) / anim.ms);
    }
    return this;
  };

  elproto.status = function (anim, value) {
    var out = [],
      i = 0,
      len,
      e;
    if (value != null) {
      runAnimation(anim, this, -1, mmin(value, 1));
      return this;
    } else {
      len = animationElements.length;
      for (; i < len; i++) {
        e = animationElements[i];
        if (e.el.id == this.id && (!anim || e.anim == anim)) {
          if (anim) {
            return e.status;
          }
          out.push({
            anim: e.anim,
            status: e.status,
          });
        }
      }
      if (anim) {
        return 0;
      }
      return out;
    }
  };

  elproto.pause = function (anim) {
    for (var i = 0; i < animationElements.length; i++)
      if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
        if (eve('raphael.anim.pause.' + this.id, this, animationElements[i].anim) !== false) {
          animationElements[i].paused = true;
        }
      }
    return this;
  };

  elproto.resume = function (anim) {
    for (var i = 0; i < animationElements.length; i++)
      if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
        var e = animationElements[i];
        if (eve('raphael.anim.resume.' + this.id, this, e.anim) !== false) {
          delete e.paused;
          this.status(e.anim, e.status);
        }
      }
    return this;
  };

  elproto.stop = function (anim) {
    for (var i = 0; i < animationElements.length; i++)
      if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
        if (eve('raphael.anim.stop.' + this.id, this, animationElements[i].anim) !== false) {
          animationElements.splice(i--, 1);
        }
      }
    return this;
  };
  function stopAnimation(paper) {
    for (var i = 0; i < animationElements.length; i++)
      if (animationElements[i].el.paper == paper) {
        animationElements.splice(i--, 1);
      }
  }
  eve.on('raphael.remove', stopAnimation);
  eve.on('raphael.clear', stopAnimation);
  elproto.toString = function () {
    return 'Rapha\xebl\u2019s object';
  };

  // Set
  var Set = function (items) {
      this.items = [];
      this.length = 0;
      this.type = 'set';
      if (items) {
        for (var i = 0, ii = items.length; i < ii; i++) {
          if (items[i] && (items[i].constructor == elproto.constructor || items[i].constructor == Set)) {
            this[this.items.length] = this.items[this.items.length] = items[i];
            this.length++;
          }
        }
      }
    },
    setproto = Set.prototype;

  setproto.push = function () {
    var item, len;
    for (var i = 0, ii = arguments.length; i < ii; i++) {
      item = arguments[i];
      if (item && (item.constructor == elproto.constructor || item.constructor == Set)) {
        len = this.items.length;
        this[len] = this.items[len] = item;
        this.length++;
      }
    }
    return this;
  };

  setproto.pop = function () {
    this.length && delete this[this.length--];
    return this.items.pop();
  };

  setproto.forEach = function (callback, thisArg) {
    for (var i = 0, ii = this.items.length; i < ii; i++) {
      if (callback.call(thisArg, this.items[i], i) === false) {
        return this;
      }
    }
    return this;
  };
  for (var method in elproto)
    if (elproto[has](method)) {
      setproto[method] = (function (methodname) {
        return function () {
          var arg = arguments;
          return this.forEach(function (el) {
            el[methodname][apply](el, arg);
          });
        };
      })(method);
    }
  setproto.attr = function (name, value) {
    if (name && R.is(name, array) && R.is(name[0], 'object')) {
      for (var j = 0, jj = name.length; j < jj; j++) {
        this.items[j].attr(name[j]);
      }
    } else {
      for (var i = 0, ii = this.items.length; i < ii; i++) {
        this.items[i].attr(name, value);
      }
    }
    return this;
  };

  setproto.clear = function () {
    while (this.length) {
      this.pop();
    }
  };

  setproto.splice = function (index, count, insertion) {
    index = index < 0 ? mmax(this.length + index, 0) : index;
    count = mmax(0, mmin(this.length - index, count));
    var tail = [],
      todel = [],
      args = [],
      i;
    for (i = 2; i < arguments.length; i++) {
      args.push(arguments[i]);
    }
    for (i = 0; i < count; i++) {
      todel.push(this[index + i]);
    }
    for (; i < this.length - index; i++) {
      tail.push(this[index + i]);
    }
    var arglen = args.length;
    for (i = 0; i < arglen + tail.length; i++) {
      this.items[index + i] = this[index + i] = i < arglen ? args[i] : tail[i - arglen];
    }
    i = this.items.length = this.length -= count - arglen;
    while (this[i]) {
      delete this[i++];
    }
    return new Set(todel);
  };

  setproto.exclude = function (el) {
    for (var i = 0, ii = this.length; i < ii; i++)
      if (this[i] == el) {
        this.splice(i, 1);
        return true;
      }
  };
  setproto.animate = function (params, ms, easing, callback) {
    (R.is(easing, 'function') || !easing) && (callback = easing || null);
    var len = this.items.length,
      i = len,
      item,
      set = this,
      collector;
    if (!len) {
      return this;
    }
    callback &&
      (collector = function () {
        !--len && callback.call(set);
      });
    easing = R.is(easing, string) ? easing : collector;
    var anim = R.animation(params, ms, easing, collector);
    item = this.items[--i].animate(anim);
    while (i--) {
      this.items[i] && !this.items[i].removed && this.items[i].animateWith(item, anim, anim);
    }
    return this;
  };
  setproto.insertAfter = function (el) {
    var i = this.items.length;
    while (i--) {
      this.items[i].insertAfter(el);
    }
    return this;
  };
  setproto.getBBox = function () {
    var x = [],
      y = [],
      x2 = [],
      y2 = [];
    for (var i = this.items.length; i--; )
      if (!this.items[i].removed) {
        var box = this.items[i].getBBox();
        x.push(box.x);
        y.push(box.y);
        x2.push(box.x + box.width);
        y2.push(box.y + box.height);
      }
    x = mmin[apply](0, x);
    y = mmin[apply](0, y);
    x2 = mmax[apply](0, x2);
    y2 = mmax[apply](0, y2);
    return {
      x: x,
      y: y,
      x2: x2,
      y2: y2,
      width: x2 - x,
      height: y2 - y,
    };
  };
  setproto.clone = function (s) {
    s = new Set();
    for (var i = 0, ii = this.items.length; i < ii; i++) {
      s.push(this.items[i].clone());
    }
    return s;
  };
  setproto.toString = function () {
    return 'Rapha\xebl\u2018s set';
  };

  R.registerFont = function (font) {
    if (!font.face) {
      return font;
    }
    this.fonts = this.fonts || {};
    var fontcopy = {
        w: font.w,
        face: {},
        glyphs: {},
      },
      family = font.face['font-family'];
    for (var prop in font.face)
      if (font.face[has](prop)) {
        fontcopy.face[prop] = font.face[prop];
      }
    if (this.fonts[family]) {
      this.fonts[family].push(fontcopy);
    } else {
      this.fonts[family] = [fontcopy];
    }
    if (!font.svg) {
      fontcopy.face['units-per-em'] = toInt(font.face['units-per-em'], 10);
      for (var glyph in font.glyphs)
        if (font.glyphs[has](glyph)) {
          var path = font.glyphs[glyph];
          fontcopy.glyphs[glyph] = {
            w: path.w,
            k: {},
            d:
              path.d &&
              'M' +
                path.d.replace(/[mlcxtrv]/g, function (command) {
                  return { l: 'L', c: 'C', x: 'z', t: 'm', r: 'l', v: 'c' }[command] || 'M';
                }) +
                'z',
          };
          if (path.k) {
            for (var k in path.k)
              if (path[has](k)) {
                fontcopy.glyphs[glyph].k[k] = path.k[k];
              }
          }
        }
    }
    return font;
  };

  paperproto.getFont = function (family, weight, style, stretch) {
    stretch = stretch || 'normal';
    style = style || 'normal';
    weight = +weight || { normal: 400, bold: 700, lighter: 300, bolder: 800 }[weight] || 400;
    if (!R.fonts) {
      return;
    }
    var font = R.fonts[family];
    if (!font) {
      var name = new RegExp('(^|\\s)' + family.replace(/[^\w\d\s+!~.:_-]/g, E) + '(\\s|$)', 'i');
      for (var fontName in R.fonts)
        if (R.fonts[has](fontName)) {
          if (name.test(fontName)) {
            font = R.fonts[fontName];
            break;
          }
        }
    }
    var thefont;
    if (font) {
      for (var i = 0, ii = font.length; i < ii; i++) {
        thefont = font[i];
        if (
          thefont.face['font-weight'] == weight &&
          (thefont.face['font-style'] == style || !thefont.face['font-style']) &&
          thefont.face['font-stretch'] == stretch
        ) {
          break;
        }
      }
    }
    return thefont;
  };

  paperproto.print = function (x, y, string, font, size, origin, letter_spacing) {
    origin = origin || 'middle'; // baseline|middle
    letter_spacing = mmax(mmin(letter_spacing || 0, 1), -1);
    var letters = Str(string)[split](E),
      shift = 0,
      notfirst = 0,
      path = E,
      scale;
    R.is(font, string) && (font = this.getFont(font));
    if (font) {
      scale = (size || 16) / font.face['units-per-em'];
      var bb = font.face.bbox[split](separator),
        top = +bb[0],
        lineHeight = bb[3] - bb[1],
        shifty = 0,
        height = +bb[1] + (origin == 'baseline' ? lineHeight + +font.face.descent : lineHeight / 2);
      for (var i = 0, ii = letters.length; i < ii; i++) {
        if (letters[i] == '\n') {
          shift = 0;
          curr = 0;
          notfirst = 0;
          shifty += lineHeight;
        } else {
          var prev = (notfirst && font.glyphs[letters[i - 1]]) || {},
            curr = font.glyphs[letters[i]];
          shift += notfirst ? (prev.w || font.w) + ((prev.k && prev.k[letters[i]]) || 0) + font.w * letter_spacing : 0;
          notfirst = 1;
        }
        if (curr && curr.d) {
          path += R.transformPath(curr.d, [
            't',
            shift * scale,
            shifty * scale,
            's',
            scale,
            scale,
            top,
            height,
            't',
            (x - top) / scale,
            (y - height) / scale,
          ]);
        }
      }
    }
    return this.path(path).attr({
      fill: '#000',
      stroke: 'none',
    });
  };

  paperproto.add = function (json) {
    if (R.is(json, 'array')) {
      var res = this.set(),
        i = 0,
        ii = json.length,
        j;
      for (; i < ii; i++) {
        j = json[i] || {};
        elements[has](j.type) && res.push(this[j.type]().attr(j));
      }
    }
    return res;
  };

  R.format = function (token, params) {
    var args = R.is(params, array) ? [0][concat](params) : arguments;
    token &&
      R.is(token, string) &&
      args.length - 1 &&
      (token = token.replace(formatrg, function (str, i) {
        return args[++i] == null ? E : args[i];
      }));
    return token || E;
  };

  R.fullfill = (function () {
    var tokenRegex = /\{([^\}]+)\}/g,
      objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g, // matches .xxxxx or ["xxxxx"] to run over object properties
      replacer = function (all, key, obj) {
        var res = obj;
        key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) {
          name = name || quotedName;
          if (res) {
            if (name in res) {
              res = res[name];
            }
            typeof res == 'function' && isFunc && (res = res());
          }
        });
        res = (res == null || res == obj ? all : res) + '';
        return res;
      };
    return function (str, obj) {
      return String(str).replace(tokenRegex, function (all, key) {
        return replacer(all, key, obj);
      });
    };
  })();

  R.ninja = function () {
    oldRaphael.was ? (g.win.Raphael = oldRaphael.is) : delete Raphael;
    return R;
  };

  R.st = setproto;
  // Firefox <3.6 fix: http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html
  (function (doc, loaded, f) {
    if (doc.readyState == null && doc.addEventListener) {
      doc.addEventListener(
        loaded,
        (f = function () {
          doc.removeEventListener(loaded, f, false);
          doc.readyState = 'complete';
        }),
        false
      );
      doc.readyState = 'loading';
    }
    function isLoaded() {
      /in/.test(doc.readyState) ? setTimeout(isLoaded, 9) : R.eve('raphael.DOMload');
    }
    isLoaded();
  })(document, 'DOMContentLoaded');

  oldRaphael.was ? (g.win.Raphael = R) : (Raphael = R);

  eve.on('raphael.DOMload', function () {
    loaded = true;
  });
})();

// ┌─────────────────────────────────────────────────────────────────────┐ \\
// │ Raphaël - JavaScript Vector Library                                 │ \\
// ├─────────────────────────────────────────────────────────────────────┤ \\
// │ SVG Module                                                          │ \\
// ├─────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://raphaeljs.com)   │ \\
// │ Copyright (c) 2008-2011 Sencha Labs (http://sencha.com)             │ \\
// │ Licensed under the MIT (http://raphaeljs.com/license.html) license. │ \\
// └─────────────────────────────────────────────────────────────────────┘ \\
window.Raphael.svg &&
  (function (R) {
    var has = 'hasOwnProperty',
      Str = String,
      toFloat = parseFloat,
      toInt = parseInt,
      math = Math,
      mmax = math.max,
      abs = math.abs,
      pow = math.pow,
      separator = /[, ]+/,
      eve = R.eve,
      E = '',
      S = ' ';
    var xlink = 'http://www.w3.org/1999/xlink',
      markers = {
        block: 'M5,0 0,2.5 5,5z',
        classic: 'M5,0 0,2.5 5,5 3.5,3 3.5,2z',
        diamond: 'M2.5,0 5,2.5 2.5,5 0,2.5z',
        open: 'M6,1 1,3.5 6,6',
        oval: 'M2.5,0A2.5,2.5,0,0,1,2.5,5 2.5,2.5,0,0,1,2.5,0z',
      },
      markerCounter = {};
    R.toString = function () {
      return 'Your browser supports SVG.\nYou are running Rapha\xebl ' + this.version;
    };
    var $ = function (el, attr) {
        if (attr) {
          if (typeof el == 'string') {
            el = $(el);
          }
          for (var key in attr)
            if (attr[has](key)) {
              if (key.substring(0, 6) == 'xlink:') {
                el.setAttributeNS(xlink, key.substring(6), Str(attr[key]));
              } else {
                el.setAttribute(key, Str(attr[key]));
              }
            }
        } else {
          el = R._g.doc.createElementNS('http://www.w3.org/2000/svg', el);
          el.style && (el.style.webkitTapHighlightColor = 'rgba(0,0,0,0)');
        }
        return el;
      },
      addGradientFill = function (element, gradient) {
        var type = 'linear',
          id = element.id + gradient,
          fx = 0.5,
          fy = 0.5,
          o = element.node,
          SVG = element.paper,
          s = o.style,
          el = R._g.doc.getElementById(id);
        if (!el) {
          gradient = Str(gradient).replace(R._radial_gradient, function (all, _fx, _fy) {
            type = 'radial';
            if (_fx && _fy) {
              fx = toFloat(_fx);
              fy = toFloat(_fy);
              var dir = (fy > 0.5) * 2 - 1;
              pow(fx - 0.5, 2) + pow(fy - 0.5, 2) > 0.25 &&
                (fy = math.sqrt(0.25 - pow(fx - 0.5, 2)) * dir + 0.5) &&
                fy != 0.5 &&
                (fy = fy.toFixed(5) - 1e-5 * dir);
            }
            return E;
          });
          gradient = gradient.split(/\s*\-\s*/);
          if (type == 'linear') {
            var angle = gradient.shift();
            angle = -toFloat(angle);
            if (isNaN(angle)) {
              return null;
            }
            var vector = [0, 0, math.cos(R.rad(angle)), math.sin(R.rad(angle))],
              max = 1 / (mmax(abs(vector[2]), abs(vector[3])) || 1);
            vector[2] *= max;
            vector[3] *= max;
            if (vector[2] < 0) {
              vector[0] = -vector[2];
              vector[2] = 0;
            }
            if (vector[3] < 0) {
              vector[1] = -vector[3];
              vector[3] = 0;
            }
          }
          var dots = R._parseDots(gradient);
          if (!dots) {
            return null;
          }
          id = id.replace(/[\(\)\s,\xb0#]/g, '_');

          if (element.gradient && id != element.gradient.id) {
            SVG.defs.removeChild(element.gradient);
            delete element.gradient;
          }

          if (!element.gradient) {
            el = $(type + 'Gradient', { id: id });
            element.gradient = el;
            $(
              el,
              type == 'radial'
                ? {
                    fx: fx,
                    fy: fy,
                  }
                : {
                    x1: vector[0],
                    y1: vector[1],
                    x2: vector[2],
                    y2: vector[3],
                    gradientTransform: element.matrix.invert(),
                  }
            );
            SVG.defs.appendChild(el);
            for (var i = 0, ii = dots.length; i < ii; i++) {
              el.appendChild(
                $('stop', {
                  offset: dots[i].offset ? dots[i].offset : i ? '100%' : '0%',
                  'stop-color': dots[i].color || '#fff',
                })
              );
            }
          }
        }
        $(o, {
          fill: 'url(#' + id + ')',
          opacity: 1,
          'fill-opacity': 1,
        });
        s.fill = E;
        s.opacity = 1;
        s.fillOpacity = 1;
        return 1;
      },
      updatePosition = function (o) {
        var bbox = o.getBBox(1);
        $(o.pattern, { patternTransform: o.matrix.invert() + ' translate(' + bbox.x + ',' + bbox.y + ')' });
      },
      addArrow = function (o, value, isEnd) {
        if (o.type == 'path') {
          var values = Str(value).toLowerCase().split('-'),
            p = o.paper,
            se = isEnd ? 'end' : 'start',
            node = o.node,
            attrs = o.attrs,
            stroke = attrs['stroke-width'],
            i = values.length,
            type = 'classic',
            from,
            to,
            dx,
            refX,
            attr,
            w = 3,
            h = 3,
            t = 5;
          while (i--) {
            switch (values[i]) {
              case 'block':
              case 'classic':
              case 'oval':
              case 'diamond':
              case 'open':
              case 'none':
                type = values[i];
                break;
              case 'wide':
                h = 5;
                break;
              case 'narrow':
                h = 2;
                break;
              case 'long':
                w = 5;
                break;
              case 'short':
                w = 2;
                break;
            }
          }
          if (type == 'open') {
            w += 2;
            h += 2;
            t += 2;
            dx = 1;
            refX = isEnd ? 4 : 1;
            attr = {
              fill: 'none',
              stroke: attrs.stroke,
            };
          } else {
            refX = dx = w / 2;
            attr = {
              fill: attrs.stroke,
              stroke: 'none',
            };
          }
          if (o._.arrows) {
            if (isEnd) {
              o._.arrows.endPath && markerCounter[o._.arrows.endPath]--;
              o._.arrows.endMarker && markerCounter[o._.arrows.endMarker]--;
            } else {
              o._.arrows.startPath && markerCounter[o._.arrows.startPath]--;
              o._.arrows.startMarker && markerCounter[o._.arrows.startMarker]--;
            }
          } else {
            o._.arrows = {};
          }
          if (type != 'none') {
            var pathId = 'raphael-marker-' + type,
              markerId = 'raphael-marker-' + se + type + w + h;
            if (!R._g.doc.getElementById(pathId)) {
              p.defs.appendChild(
                $($('path'), {
                  'stroke-linecap': 'round',
                  d: markers[type],
                  id: pathId,
                })
              );
              markerCounter[pathId] = 1;
            } else {
              markerCounter[pathId]++;
            }
            var marker = R._g.doc.getElementById(markerId),
              use;
            if (!marker) {
              marker = $($('marker'), {
                id: markerId,
                markerHeight: h,
                markerWidth: w,
                orient: 'auto',
                refX: refX,
                refY: h / 2,
              });
              use = $($('use'), {
                'xlink:href': '#' + pathId,
                transform: (isEnd ? 'rotate(180 ' + w / 2 + ' ' + h / 2 + ') ' : E) + 'scale(' + w / t + ',' + h / t + ')',
                'stroke-width': (1 / ((w / t + h / t) / 2)).toFixed(4),
              });
              marker.appendChild(use);
              p.defs.appendChild(marker);
              markerCounter[markerId] = 1;
            } else {
              markerCounter[markerId]++;
              use = marker.getElementsByTagName('use')[0];
            }
            $(use, attr);
            var delta = dx * (type != 'diamond' && type != 'oval');
            if (isEnd) {
              from = o._.arrows.startdx * stroke || 0;
              to = R.getTotalLength(attrs.path) - delta * stroke;
            } else {
              from = delta * stroke;
              to = R.getTotalLength(attrs.path) - (o._.arrows.enddx * stroke || 0);
            }
            attr = {};
            attr['marker-' + se] = 'url(#' + markerId + ')';
            if (to || from) {
              attr.d = Raphael.getSubpath(attrs.path, from, to);
            }
            $(node, attr);
            o._.arrows[se + 'Path'] = pathId;
            o._.arrows[se + 'Marker'] = markerId;
            o._.arrows[se + 'dx'] = delta;
            o._.arrows[se + 'Type'] = type;
            o._.arrows[se + 'String'] = value;
          } else {
            if (isEnd) {
              from = o._.arrows.startdx * stroke || 0;
              to = R.getTotalLength(attrs.path) - from;
            } else {
              from = 0;
              to = R.getTotalLength(attrs.path) - (o._.arrows.enddx * stroke || 0);
            }
            o._.arrows[se + 'Path'] && $(node, { d: Raphael.getSubpath(attrs.path, from, to) });
            delete o._.arrows[se + 'Path'];
            delete o._.arrows[se + 'Marker'];
            delete o._.arrows[se + 'dx'];
            delete o._.arrows[se + 'Type'];
            delete o._.arrows[se + 'String'];
          }
          for (attr in markerCounter)
            if (markerCounter[has](attr) && !markerCounter[attr]) {
              var item = R._g.doc.getElementById(attr);
              item && item.parentNode.removeChild(item);
            }
        }
      },
      dasharray = {
        '': [0],
        none: [0],
        '-': [3, 1],
        '.': [1, 1],
        '-.': [3, 1, 1, 1],
        '-..': [3, 1, 1, 1, 1, 1],
        '. ': [1, 3],
        '- ': [4, 3],
        '--': [8, 3],
        '- .': [4, 3, 1, 3],
        '--.': [8, 3, 1, 3],
        '--..': [8, 3, 1, 3, 1, 3],
      },
      addDashes = function (o, value, params) {
        value = dasharray[Str(value).toLowerCase()];
        if (value) {
          var width = o.attrs['stroke-width'] || '1',
            butt = { round: width, square: width, butt: 0 }[o.attrs['stroke-linecap'] || params['stroke-linecap']] || 0,
            dashes = [],
            i = value.length;
          while (i--) {
            dashes[i] = value[i] * width + (i % 2 ? 1 : -1) * butt;
          }
          $(o.node, { 'stroke-dasharray': dashes.join(',') });
        }
      },
      setFillAndStroke = function (o, params) {
        var node = o.node,
          attrs = o.attrs,
          vis = node.style.visibility;
        node.style.visibility = 'hidden';
        for (var att in params) {
          if (params[has](att)) {
            if (!R._availableAttrs[has](att)) {
              continue;
            }
            var value = params[att];
            attrs[att] = value;
            switch (att) {
              case 'blur':
                o.blur(value);
                break;
              case 'href':
              case 'title':
              case 'target':
                var pn = node.parentNode;
                if (pn.tagName.toLowerCase() != 'a') {
                  var hl = $('a');
                  pn.insertBefore(hl, node);
                  hl.appendChild(node);
                  pn = hl;
                }
                if (att == 'target') {
                  pn.setAttributeNS(xlink, 'show', value == 'blank' ? 'new' : value);
                } else {
                  pn.setAttributeNS(xlink, att, value);
                }
                break;
              case 'cursor':
                node.style.cursor = value;
                break;
              case 'transform':
                o.transform(value);
                break;
              case 'arrow-start':
                addArrow(o, value);
                break;
              case 'arrow-end':
                addArrow(o, value, 1);
                break;
              case 'clip-rect':
                var rect = Str(value).split(separator);
                if (rect.length == 4) {
                  o.clip && o.clip.parentNode.parentNode.removeChild(o.clip.parentNode);
                  var el = $('clipPath'),
                    rc = $('rect');
                  el.id = R.createUUID();
                  $(rc, {
                    x: rect[0],
                    y: rect[1],
                    width: rect[2],
                    height: rect[3],
                  });
                  el.appendChild(rc);
                  o.paper.defs.appendChild(el);
                  $(node, { 'clip-path': 'url(#' + el.id + ')' });
                  o.clip = rc;
                }
                if (!value) {
                  var path = node.getAttribute('clip-path');
                  if (path) {
                    var clip = R._g.doc.getElementById(path.replace(/(^url\(#|\)$)/g, E));
                    clip && clip.parentNode.removeChild(clip);
                    $(node, { 'clip-path': E });
                    delete o.clip;
                  }
                }
                break;
              case 'path':
                if (o.type == 'path') {
                  $(node, { d: value ? (attrs.path = R._pathToAbsolute(value)) : 'M0,0' });
                  o._.dirty = 1;
                  if (o._.arrows) {
                    'startString' in o._.arrows && addArrow(o, o._.arrows.startString);
                    'endString' in o._.arrows && addArrow(o, o._.arrows.endString, 1);
                  }
                }
                break;
              case 'width':
                node.setAttribute(att, value);
                o._.dirty = 1;
                if (attrs.fx) {
                  att = 'x';
                  value = attrs.x;
                } else {
                  break;
                }
              case 'x':
                if (attrs.fx) {
                  value = -attrs.x - (attrs.width || 0);
                }
              case 'rx':
                if (att == 'rx' && o.type == 'rect') {
                  break;
                }
              case 'cx':
                node.setAttribute(att, value);
                o.pattern && updatePosition(o);
                o._.dirty = 1;
                break;
              case 'height':
                node.setAttribute(att, value);
                o._.dirty = 1;
                if (attrs.fy) {
                  att = 'y';
                  value = attrs.y;
                } else {
                  break;
                }
              case 'y':
                if (attrs.fy) {
                  value = -attrs.y - (attrs.height || 0);
                }
              case 'ry':
                if (att == 'ry' && o.type == 'rect') {
                  break;
                }
              case 'cy':
                node.setAttribute(att, value);
                o.pattern && updatePosition(o);
                o._.dirty = 1;
                break;
              case 'r':
                if (o.type == 'rect') {
                  $(node, { rx: value, ry: value });
                } else {
                  node.setAttribute(att, value);
                }
                o._.dirty = 1;
                break;
              case 'src':
                if (o.type == 'image') {
                  node.setAttributeNS(xlink, 'href', value);
                }
                break;
              case 'stroke-width':
                if (o._.sx != 1 || o._.sy != 1) {
                  value /= mmax(abs(o._.sx), abs(o._.sy)) || 1;
                }
                if (o.paper._vbSize) {
                  value *= o.paper._vbSize;
                }
                node.setAttribute(att, value);
                if (attrs['stroke-dasharray']) {
                  addDashes(o, attrs['stroke-dasharray'], params);
                }
                if (o._.arrows) {
                  'startString' in o._.arrows && addArrow(o, o._.arrows.startString);
                  'endString' in o._.arrows && addArrow(o, o._.arrows.endString, 1);
                }
                break;
              case 'stroke-dasharray':
                addDashes(o, value, params);
                break;
              case 'fill':
                var isURL = Str(value).match(R._ISURL);
                if (isURL) {
                  el = $('pattern');
                  var ig = $('image');
                  el.id = R.createUUID();
                  $(el, { x: 0, y: 0, patternUnits: 'userSpaceOnUse', height: 1, width: 1 });
                  $(ig, { x: 0, y: 0, 'xlink:href': isURL[1] });
                  el.appendChild(ig);

                  (function (el) {
                    R._preload(isURL[1], function () {
                      var w = this.offsetWidth,
                        h = this.offsetHeight;
                      $(el, { width: w, height: h });
                      $(ig, { width: w, height: h });
                      o.paper.safari();
                    });
                  })(el);
                  o.paper.defs.appendChild(el);
                  $(node, { fill: 'url(#' + el.id + ')' });
                  o.pattern = el;
                  o.pattern && updatePosition(o);
                  break;
                }
                var clr = R.getRGB(value);
                if (!clr.error) {
                  delete params.gradient;
                  delete attrs.gradient;
                  !R.is(attrs.opacity, 'undefined') && R.is(params.opacity, 'undefined') && $(node, { opacity: attrs.opacity });
                  !R.is(attrs['fill-opacity'], 'undefined') &&
                    R.is(params['fill-opacity'], 'undefined') &&
                    $(node, { 'fill-opacity': attrs['fill-opacity'] });
                } else if ((o.type == 'circle' || o.type == 'ellipse' || Str(value).charAt() != 'r') && addGradientFill(o, value)) {
                  if ('opacity' in attrs || 'fill-opacity' in attrs) {
                    var gradient = R._g.doc.getElementById(node.getAttribute('fill').replace(/^url\(#|\)$/g, E));
                    if (gradient) {
                      var stops = gradient.getElementsByTagName('stop');
                      $(stops[stops.length - 1], {
                        'stop-opacity': ('opacity' in attrs ? attrs.opacity : 1) * ('fill-opacity' in attrs ? attrs['fill-opacity'] : 1),
                      });
                    }
                  }
                  attrs.gradient = value;
                  attrs.fill = 'none';
                  break;
                }
                clr[has]('opacity') && $(node, { 'fill-opacity': clr.opacity > 1 ? clr.opacity / 100 : clr.opacity });
              case 'stroke':
                clr = R.getRGB(value);
                node.setAttribute(att, clr.hex);
                att == 'stroke' && clr[has]('opacity') && $(node, { 'stroke-opacity': clr.opacity > 1 ? clr.opacity / 100 : clr.opacity });
                if (att == 'stroke' && o._.arrows) {
                  'startString' in o._.arrows && addArrow(o, o._.arrows.startString);
                  'endString' in o._.arrows && addArrow(o, o._.arrows.endString, 1);
                }
                break;
              case 'gradient':
                (o.type == 'circle' || o.type == 'ellipse' || Str(value).charAt() != 'r') && addGradientFill(o, value);
                break;
              case 'opacity':
                if (attrs.gradient && !attrs[has]('stroke-opacity')) {
                  $(node, { 'stroke-opacity': value > 1 ? value / 100 : value });
                }
              // fall
              case 'fill-opacity':
                if (attrs.gradient) {
                  gradient = R._g.doc.getElementById(node.getAttribute('fill').replace(/^url\(#|\)$/g, E));
                  if (gradient) {
                    stops = gradient.getElementsByTagName('stop');
                    $(stops[stops.length - 1], { 'stop-opacity': value });
                  }
                  break;
                }
              default:
                att == 'font-size' && (value = toInt(value, 10) + 'px');
                var cssrule = att.replace(/(\-.)/g, function (w) {
                  return w.substring(1).toUpperCase();
                });
                node.style[cssrule] = value;
                o._.dirty = 1;
                node.setAttribute(att, value);
                break;
            }
          }
        }

        tuneText(o, params);
        node.style.visibility = vis;
      },
      leading = 1.2,
      tuneText = function (el, params) {
        if (
          el.type != 'text' ||
          !(params[has]('text') || params[has]('font') || params[has]('font-size') || params[has]('x') || params[has]('y'))
        ) {
          return;
        }
        var a = el.attrs,
          node = el.node,
          fontSize = node.firstChild
            ? toInt(R._g.doc.defaultView.getComputedStyle(node.firstChild, E).getPropertyValue('font-size'), 10)
            : 10;

        if (params[has]('text')) {
          a.text = params.text;
          while (node.firstChild) {
            node.removeChild(node.firstChild);
          }
          var texts = Str(params.text).split('\n'),
            tspans = [],
            tspan;
          for (var i = 0, ii = texts.length; i < ii; i++) {
            tspan = $('tspan');
            i && $(tspan, { dy: fontSize * leading, x: a.x });
            tspan.appendChild(R._g.doc.createTextNode(texts[i]));
            node.appendChild(tspan);
            tspans[i] = tspan;
          }
        } else {
          tspans = node.getElementsByTagName('tspan');
          for (i = 0, ii = tspans.length; i < ii; i++)
            if (i) {
              $(tspans[i], { dy: fontSize * leading, x: a.x });
            } else {
              $(tspans[0], { dy: 0 });
            }
        }
        $(node, { x: a.x, y: a.y });
        el._.dirty = 1;
        var bb = el._getBBox(),
          dif = a.y - (bb.y + bb.height / 2);
        dif && R.is(dif, 'finite') && $(tspans[0], { dy: dif });
      },
      Element = function (node, svg) {
        var X = 0,
          Y = 0;

        this[0] = this.node = node;

        node.raphael = true;

        this.id = R._oid++;
        node.raphaelid = this.id;
        this.matrix = R.matrix();
        this.realPath = null;

        this.paper = svg;
        this.attrs = this.attrs || {};
        this._ = {
          transform: [],
          sx: 1,
          sy: 1,
          deg: 0,
          dx: 0,
          dy: 0,
          dirty: 1,
        };
        !svg.bottom && (svg.bottom = this);

        this.prev = svg.top;
        svg.top && (svg.top.next = this);
        svg.top = this;

        this.next = null;
      },
      elproto = R.el;

    Element.prototype = elproto;
    elproto.constructor = Element;

    R._engine.path = function (pathString, SVG) {
      var el = $('path');
      SVG.canvas && SVG.canvas.appendChild(el);
      var p = new Element(el, SVG);
      p.type = 'path';
      setFillAndStroke(p, {
        fill: 'none',
        stroke: '#000',
        path: pathString,
      });
      return p;
    };

    elproto.rotate = function (deg, cx, cy) {
      if (this.removed) {
        return this;
      }
      deg = Str(deg).split(separator);
      if (deg.length - 1) {
        cx = toFloat(deg[1]);
        cy = toFloat(deg[2]);
      }
      deg = toFloat(deg[0]);
      cy == null && (cx = cy);
      if (cx == null || cy == null) {
        var bbox = this.getBBox(1);
        cx = bbox.x + bbox.width / 2;
        cy = bbox.y + bbox.height / 2;
      }
      this.transform(this._.transform.concat([['r', deg, cx, cy]]));
      return this;
    };

    elproto.scale = function (sx, sy, cx, cy) {
      if (this.removed) {
        return this;
      }
      sx = Str(sx).split(separator);
      if (sx.length - 1) {
        sy = toFloat(sx[1]);
        cx = toFloat(sx[2]);
        cy = toFloat(sx[3]);
      }
      sx = toFloat(sx[0]);
      sy == null && (sy = sx);
      cy == null && (cx = cy);
      if (cx == null || cy == null) {
        var bbox = this.getBBox(1);
      }
      cx = cx == null ? bbox.x + bbox.width / 2 : cx;
      cy = cy == null ? bbox.y + bbox.height / 2 : cy;
      this.transform(this._.transform.concat([['s', sx, sy, cx, cy]]));
      return this;
    };

    elproto.translate = function (dx, dy) {
      if (this.removed) {
        return this;
      }
      dx = Str(dx).split(separator);
      if (dx.length - 1) {
        dy = toFloat(dx[1]);
      }
      dx = toFloat(dx[0]) || 0;
      dy = +dy || 0;
      this.transform(this._.transform.concat([['t', dx, dy]]));
      return this;
    };

    elproto.transform = function (tstr) {
      var _ = this._;
      if (tstr == null) {
        return _.transform;
      }
      R._extractTransform(this, tstr);

      this.clip && $(this.clip, { transform: this.matrix.invert() });
      this.pattern && updatePosition(this);
      this.node && $(this.node, { transform: this.matrix });

      if (_.sx != 1 || _.sy != 1) {
        var sw = this.attrs[has]('stroke-width') ? this.attrs['stroke-width'] : 1;
        this.attr({ 'stroke-width': sw });
      }

      return this;
    };

    elproto.hide = function () {
      !this.removed && this.paper.safari((this.node.style.display = 'none'));
      return this;
    };

    elproto.show = function () {
      !this.removed && this.paper.safari((this.node.style.display = ''));
      return this;
    };

    elproto.remove = function () {
      if (this.removed || !this.node.parentNode) {
        return;
      }
      var paper = this.paper;
      paper.__set__ && paper.__set__.exclude(this);
      eve.unbind('raphael.*.*.' + this.id);
      if (this.gradient) {
        paper.defs.removeChild(this.gradient);
      }
      R._tear(this, paper);
      if (this.node.parentNode.tagName.toLowerCase() == 'a') {
        this.node.parentNode.parentNode.removeChild(this.node.parentNode);
      } else {
        this.node.parentNode.removeChild(this.node);
      }
      for (var i in this) {
        this[i] = typeof this[i] == 'function' ? R._removedFactory(i) : null;
      }
      this.removed = true;
    };
    elproto._getBBox = function () {
      if (this.node.style.display == 'none') {
        this.show();
        var hide = true;
      }
      var bbox = {};
      try {
        bbox = this.node.getBBox();
      } catch (e) {
        // Firefox 3.0.x plays badly here
      } finally {
        bbox = bbox || {};
      }
      hide && this.hide();
      return bbox;
    };

    elproto.attr = function (name, value) {
      if (this.removed) {
        return this;
      }
      if (name == null) {
        var res = {};
        for (var a in this.attrs)
          if (this.attrs[has](a)) {
            res[a] = this.attrs[a];
          }
        res.gradient && res.fill == 'none' && (res.fill = res.gradient) && delete res.gradient;
        res.transform = this._.transform;
        return res;
      }
      if (value == null && R.is(name, 'string')) {
        if (name == 'fill' && this.attrs.fill == 'none' && this.attrs.gradient) {
          return this.attrs.gradient;
        }
        if (name == 'transform') {
          return this._.transform;
        }
        var names = name.split(separator),
          out = {};
        for (var i = 0, ii = names.length; i < ii; i++) {
          name = names[i];
          if (name in this.attrs) {
            out[name] = this.attrs[name];
          } else if (R.is(this.paper.customAttributes[name], 'function')) {
            out[name] = this.paper.customAttributes[name].def;
          } else {
            out[name] = R._availableAttrs[name];
          }
        }
        return ii - 1 ? out : out[names[0]];
      }
      if (value == null && R.is(name, 'array')) {
        out = {};
        for (i = 0, ii = name.length; i < ii; i++) {
          out[name[i]] = this.attr(name[i]);
        }
        return out;
      }
      if (value != null) {
        var params = {};
        params[name] = value;
      } else if (name != null && R.is(name, 'object')) {
        params = name;
      }
      for (var key in params) {
        eve('raphael.attr.' + key + '.' + this.id, this, params[key]);
      }
      for (key in this.paper.customAttributes)
        if (this.paper.customAttributes[has](key) && params[has](key) && R.is(this.paper.customAttributes[key], 'function')) {
          var par = this.paper.customAttributes[key].apply(this, [].concat(params[key]));
          this.attrs[key] = params[key];
          for (var subkey in par)
            if (par[has](subkey)) {
              params[subkey] = par[subkey];
            }
        }
      setFillAndStroke(this, params);
      return this;
    };

    elproto.toFront = function () {
      if (this.removed) {
        return this;
      }
      if (this.node.parentNode.tagName.toLowerCase() == 'a') {
        this.node.parentNode.parentNode.appendChild(this.node.parentNode);
      } else {
        this.node.parentNode.appendChild(this.node);
      }
      var svg = this.paper;
      svg.top != this && R._tofront(this, svg);
      return this;
    };

    elproto.toBack = function () {
      if (this.removed) {
        return this;
      }
      var parent = this.node.parentNode;
      if (parent.tagName.toLowerCase() == 'a') {
        parent.parentNode.insertBefore(this.node.parentNode, this.node.parentNode.parentNode.firstChild);
      } else if (parent.firstChild != this.node) {
        parent.insertBefore(this.node, this.node.parentNode.firstChild);
      }
      R._toback(this, this.paper);
      var svg = this.paper;
      return this;
    };

    elproto.insertAfter = function (element) {
      if (this.removed) {
        return this;
      }
      var node = element.node || element[element.length - 1].node;
      if (node.nextSibling) {
        node.parentNode.insertBefore(this.node, node.nextSibling);
      } else {
        node.parentNode.appendChild(this.node);
      }
      R._insertafter(this, element, this.paper);
      return this;
    };

    elproto.insertBefore = function (element) {
      if (this.removed) {
        return this;
      }
      var node = element.node || element[0].node;
      node.parentNode.insertBefore(this.node, node);
      R._insertbefore(this, element, this.paper);
      return this;
    };
    elproto.blur = function (size) {
      // Experimental. No Safari support. Use it on your own risk.
      var t = this;
      if (+size !== 0) {
        var fltr = $('filter'),
          blur = $('feGaussianBlur');
        t.attrs.blur = size;
        fltr.id = R.createUUID();
        $(blur, { stdDeviation: +size || 1.5 });
        fltr.appendChild(blur);
        t.paper.defs.appendChild(fltr);
        t._blur = fltr;
        $(t.node, { filter: 'url(#' + fltr.id + ')' });
      } else {
        if (t._blur) {
          t._blur.parentNode.removeChild(t._blur);
          delete t._blur;
          delete t.attrs.blur;
        }
        t.node.removeAttribute('filter');
      }
    };
    R._engine.circle = function (svg, x, y, r) {
      var el = $('circle');
      svg.canvas && svg.canvas.appendChild(el);
      var res = new Element(el, svg);
      res.attrs = { cx: x, cy: y, r: r, fill: 'none', stroke: '#000' };
      res.type = 'circle';
      $(el, res.attrs);
      return res;
    };
    R._engine.rect = function (svg, x, y, w, h, r) {
      var el = $('rect');
      svg.canvas && svg.canvas.appendChild(el);
      var res = new Element(el, svg);
      res.attrs = { x: x, y: y, width: w, height: h, r: r || 0, rx: r || 0, ry: r || 0, fill: 'none', stroke: '#000' };
      res.type = 'rect';
      $(el, res.attrs);
      return res;
    };
    R._engine.ellipse = function (svg, x, y, rx, ry) {
      var el = $('ellipse');
      svg.canvas && svg.canvas.appendChild(el);
      var res = new Element(el, svg);
      res.attrs = { cx: x, cy: y, rx: rx, ry: ry, fill: 'none', stroke: '#000' };
      res.type = 'ellipse';
      $(el, res.attrs);
      return res;
    };
    R._engine.image = function (svg, src, x, y, w, h) {
      var el = $('image');
      $(el, { x: x, y: y, width: w, height: h, preserveAspectRatio: 'none' });
      el.setAttributeNS(xlink, 'href', src);
      svg.canvas && svg.canvas.appendChild(el);
      var res = new Element(el, svg);
      res.attrs = { x: x, y: y, width: w, height: h, src: src };
      res.type = 'image';
      return res;
    };
    R._engine.text = function (svg, x, y, text) {
      var el = $('text');
      svg.canvas && svg.canvas.appendChild(el);
      var res = new Element(el, svg);
      res.attrs = {
        x: x,
        y: y,
        'text-anchor': 'middle',
        text: text,
        font: R._availableAttrs.font,
        stroke: 'none',
        fill: '#000',
      };
      res.type = 'text';
      setFillAndStroke(res, res.attrs);
      return res;
    };
    R._engine.setSize = function (width, height) {
      this.width = width || this.width;
      this.height = height || this.height;
      this.canvas.setAttribute('width', this.width);
      this.canvas.setAttribute('height', this.height);
      if (this._viewBox) {
        this.setViewBox.apply(this, this._viewBox);
      }
      return this;
    };
    R._engine.create = function () {
      var con = R._getContainer.apply(0, arguments),
        container = con && con.container,
        x = con.x,
        y = con.y,
        width = con.width,
        height = con.height;
      if (!container) {
        throw new Error('SVG container not found.');
      }
      var cnvs = $('svg'),
        css = 'overflow:hidden;',
        isFloating;
      x = x || 0;
      y = y || 0;
      width = width || 512;
      height = height || 342;
      $(cnvs, {
        height: height,
        version: 1.1,
        width: width,
        xmlns: 'http://www.w3.org/2000/svg',
      });
      if (container == 1) {
        cnvs.style.cssText = css + 'position:absolute;left:' + x + 'px;top:' + y + 'px';
        R._g.doc.body.appendChild(cnvs);
        isFloating = 1;
      } else {
        cnvs.style.cssText = css + 'position:relative';
        if (container.firstChild) {
          container.insertBefore(cnvs, container.firstChild);
        } else {
          container.appendChild(cnvs);
        }
      }
      container = new R._Paper();
      container.width = width;
      container.height = height;
      container.canvas = cnvs;
      container.clear();
      container._left = container._top = 0;
      isFloating && (container.renderfix = function () {});
      container.renderfix();
      return container;
    };
    R._engine.setViewBox = function (x, y, w, h, fit) {
      eve('raphael.setViewBox', this, this._viewBox, [x, y, w, h, fit]);
      var size = mmax(w / this.width, h / this.height),
        top = this.top,
        aspectRatio = fit ? 'meet' : 'xMinYMin',
        vb,
        sw;
      if (x == null) {
        if (this._vbSize) {
          size = 1;
        }
        delete this._vbSize;
        vb = '0 0 ' + this.width + S + this.height;
      } else {
        this._vbSize = size;
        vb = x + S + y + S + w + S + h;
      }
      $(this.canvas, {
        viewBox: vb,
        preserveAspectRatio: aspectRatio,
      });
      while (size && top) {
        sw = 'stroke-width' in top.attrs ? top.attrs['stroke-width'] : 1;
        top.attr({ 'stroke-width': sw });
        top._.dirty = 1;
        top._.dirtyT = 1;
        top = top.prev;
      }
      this._viewBox = [x, y, w, h, !!fit];
      return this;
    };

    R.prototype.renderfix = function () {
      var cnvs = this.canvas,
        s = cnvs.style,
        pos;
      try {
        pos = cnvs.getScreenCTM() || cnvs.createSVGMatrix();
      } catch (e) {
        pos = cnvs.createSVGMatrix();
      }
      var left = -pos.e % 1,
        top = -pos.f % 1;
      if (left || top) {
        if (left) {
          this._left = (this._left + left) % 1;
          s.left = this._left + 'px';
        }
        if (top) {
          this._top = (this._top + top) % 1;
          s.top = this._top + 'px';
        }
      }
    };

    R.prototype.clear = function () {
      R.eve('raphael.clear', this);
      var c = this.canvas;
      while (c.firstChild) {
        c.removeChild(c.firstChild);
      }
      this.bottom = this.top = null;
      (this.desc = $('desc')).appendChild(R._g.doc.createTextNode('Created with Rapha\xebl ' + R.version));
      c.appendChild(this.desc);
      c.appendChild((this.defs = $('defs')));
    };

    R.prototype.remove = function () {
      eve('raphael.remove', this);
      this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);
      for (var i in this) {
        this[i] = typeof this[i] == 'function' ? R._removedFactory(i) : null;
      }
    };
    var setproto = R.st;
    for (var method in elproto)
      if (elproto[has](method) && !setproto[has](method)) {
        setproto[method] = (function (methodname) {
          return function () {
            var arg = arguments;
            return this.forEach(function (el) {
              el[methodname].apply(el, arg);
            });
          };
        })(method);
      }
  })(window.Raphael);

// ┌─────────────────────────────────────────────────────────────────────┐ \\
// │ Raphaël - JavaScript Vector Library                                 │ \\
// ├─────────────────────────────────────────────────────────────────────┤ \\
// │ VML Module                                                          │ \\
// ├─────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://raphaeljs.com)   │ \\
// │ Copyright (c) 2008-2011 Sencha Labs (http://sencha.com)             │ \\
// │ Licensed under the MIT (http://raphaeljs.com/license.html) license. │ \\
// └─────────────────────────────────────────────────────────────────────┘ \\
window.Raphael.vml &&
  (function (R) {
    var has = 'hasOwnProperty',
      Str = String,
      toFloat = parseFloat,
      math = Math,
      round = math.round,
      mmax = math.max,
      mmin = math.min,
      abs = math.abs,
      fillString = 'fill',
      separator = /[, ]+/,
      eve = R.eve,
      ms = ' progid:DXImageTransform.Microsoft',
      S = ' ',
      E = '',
      map = { M: 'm', L: 'l', C: 'c', Z: 'x', m: 't', l: 'r', c: 'v', z: 'x' },
      bites = /([clmz]),?([^clmz]*)/gi,
      blurregexp = / progid:\S+Blur\([^\)]+\)/g,
      val = /-?[^,\s-]+/g,
      cssDot = 'position:absolute;left:0;top:0;width:1px;height:1px',
      zoom = 21600,
      pathTypes = { path: 1, rect: 1, image: 1 },
      ovalTypes = { circle: 1, ellipse: 1 },
      path2vml = function (path) {
        var total = /[ahqstv]/gi,
          command = R._pathToAbsolute;
        Str(path).match(total) && (command = R._path2curve);
        total = /[clmz]/g;
        if (command == R._pathToAbsolute && !Str(path).match(total)) {
          var res = Str(path).replace(bites, function (all, command, args) {
            var vals = [],
              isMove = command.toLowerCase() == 'm',
              res = map[command];
            args.replace(val, function (value) {
              if (isMove && vals.length == 2) {
                res += vals + map[command == 'm' ? 'l' : 'L'];
                vals = [];
              }
              vals.push(round(value * zoom));
            });
            return res + vals;
          });
          return res;
        }
        var pa = command(path),
          p,
          r;
        res = [];
        for (var i = 0, ii = pa.length; i < ii; i++) {
          p = pa[i];
          r = pa[i][0].toLowerCase();
          r == 'z' && (r = 'x');
          for (var j = 1, jj = p.length; j < jj; j++) {
            r += round(p[j] * zoom) + (j != jj - 1 ? ',' : E);
          }
          res.push(r);
        }
        return res.join(S);
      },
      compensation = function (deg, dx, dy) {
        var m = R.matrix();
        m.rotate(-deg, 0.5, 0.5);
        return {
          dx: m.x(dx, dy),
          dy: m.y(dx, dy),
        };
      },
      setCoords = function (p, sx, sy, dx, dy, deg) {
        var _ = p._,
          m = p.matrix,
          fillpos = _.fillpos,
          o = p.node,
          s = o.style,
          y = 1,
          flip = '',
          dxdy,
          kx = zoom / sx,
          ky = zoom / sy;
        s.visibility = 'hidden';
        if (!sx || !sy) {
          return;
        }
        o.coordsize = abs(kx) + S + abs(ky);
        s.rotation = deg * (sx * sy < 0 ? -1 : 1);
        if (deg) {
          var c = compensation(deg, dx, dy);
          dx = c.dx;
          dy = c.dy;
        }
        sx < 0 && (flip += 'x');
        sy < 0 && (flip += ' y') && (y = -1);
        s.flip = flip;
        o.coordorigin = dx * -kx + S + dy * -ky;
        if (fillpos || _.fillsize) {
          var fill = o.getElementsByTagName(fillString);
          fill = fill && fill[0];
          o.removeChild(fill);
          if (fillpos) {
            c = compensation(deg, m.x(fillpos[0], fillpos[1]), m.y(fillpos[0], fillpos[1]));
            fill.position = c.dx * y + S + c.dy * y;
          }
          if (_.fillsize) {
            fill.size = _.fillsize[0] * abs(sx) + S + _.fillsize[1] * abs(sy);
          }
          o.appendChild(fill);
        }
        s.visibility = 'visible';
      };
    R.toString = function () {
      return 'Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl ' + this.version;
    };
    var addArrow = function (o, value, isEnd) {
        var values = Str(value).toLowerCase().split('-'),
          se = isEnd ? 'end' : 'start',
          i = values.length,
          type = 'classic',
          w = 'medium',
          h = 'medium';
        while (i--) {
          switch (values[i]) {
            case 'block':
            case 'classic':
            case 'oval':
            case 'diamond':
            case 'open':
            case 'none':
              type = values[i];
              break;
            case 'wide':
            case 'narrow':
              h = values[i];
              break;
            case 'long':
            case 'short':
              w = values[i];
              break;
          }
        }
        var stroke = o.node.getElementsByTagName('stroke')[0];
        stroke[se + 'arrow'] = type;
        stroke[se + 'arrowlength'] = w;
        stroke[se + 'arrowwidth'] = h;
      },
      setFillAndStroke = function (o, params) {
        // o.paper.canvas.style.display = "none";
        o.attrs = o.attrs || {};
        var node = o.node,
          a = o.attrs,
          s = node.style,
          xy,
          newpath =
            pathTypes[o.type] &&
            (params.x != a.x ||
              params.y != a.y ||
              params.width != a.width ||
              params.height != a.height ||
              params.cx != a.cx ||
              params.cy != a.cy ||
              params.rx != a.rx ||
              params.ry != a.ry ||
              params.r != a.r),
          isOval =
            ovalTypes[o.type] && (a.cx != params.cx || a.cy != params.cy || a.r != params.r || a.rx != params.rx || a.ry != params.ry),
          res = o;

        for (var par in params)
          if (params[has](par)) {
            a[par] = params[par];
          }
        if (newpath) {
          a.path = R._getPath[o.type](o);
          o._.dirty = 1;
        }
        params.href && (node.href = params.href);
        params.title && (node.title = params.title);
        params.target && (node.target = params.target);
        params.cursor && (s.cursor = params.cursor);
        'blur' in params && o.blur(params.blur);
        if ((params.path && o.type == 'path') || newpath) {
          node.path = path2vml(~Str(a.path).toLowerCase().indexOf('r') ? R._pathToAbsolute(a.path) : a.path);
          if (o.type == 'image') {
            o._.fillpos = [a.x, a.y];
            o._.fillsize = [a.width, a.height];
            setCoords(o, 1, 1, 0, 0, 0);
          }
        }
        'transform' in params && o.transform(params.transform);
        if (isOval) {
          var cx = +a.cx,
            cy = +a.cy,
            rx = +a.rx || +a.r || 0,
            ry = +a.ry || +a.r || 0;
          node.path = R.format(
            'ar{0},{1},{2},{3},{4},{1},{4},{1}x',
            round((cx - rx) * zoom),
            round((cy - ry) * zoom),
            round((cx + rx) * zoom),
            round((cy + ry) * zoom),
            round(cx * zoom)
          );
        }
        if ('clip-rect' in params) {
          var rect = Str(params['clip-rect']).split(separator);
          if (rect.length == 4) {
            rect[2] = +rect[2] + +rect[0];
            rect[3] = +rect[3] + +rect[1];
            var div = node.clipRect || R._g.doc.createElement('div'),
              dstyle = div.style;
            dstyle.clip = R.format('rect({1}px {2}px {3}px {0}px)', rect);
            if (!node.clipRect) {
              dstyle.position = 'absolute';
              dstyle.top = 0;
              dstyle.left = 0;
              dstyle.width = o.paper.width + 'px';
              dstyle.height = o.paper.height + 'px';
              node.parentNode.insertBefore(div, node);
              div.appendChild(node);
              node.clipRect = div;
            }
          }
          if (!params['clip-rect']) {
            node.clipRect && (node.clipRect.style.clip = 'auto');
          }
        }
        if (o.textpath) {
          var textpathStyle = o.textpath.style;
          params.font && (textpathStyle.font = params.font);
          params['font-family'] &&
            (textpathStyle.fontFamily = '"' + params['font-family'].split(',')[0].replace(/^['"]+|['"]+$/g, E) + '"');
          params['font-size'] && (textpathStyle.fontSize = params['font-size']);
          params['font-weight'] && (textpathStyle.fontWeight = params['font-weight']);
          params['font-style'] && (textpathStyle.fontStyle = params['font-style']);
        }
        if ('arrow-start' in params) {
          addArrow(res, params['arrow-start']);
        }
        if ('arrow-end' in params) {
          addArrow(res, params['arrow-end'], 1);
        }
        if (
          params.opacity != null ||
          params['stroke-width'] != null ||
          params.fill != null ||
          params.src != null ||
          params.stroke != null ||
          params['stroke-width'] != null ||
          params['stroke-opacity'] != null ||
          params['fill-opacity'] != null ||
          params['stroke-dasharray'] != null ||
          params['stroke-miterlimit'] != null ||
          params['stroke-linejoin'] != null ||
          params['stroke-linecap'] != null
        ) {
          var fill = node.getElementsByTagName(fillString),
            newfill = false;
          fill = fill && fill[0];
          !fill && (newfill = fill = createNode(fillString));
          if (o.type == 'image' && params.src) {
            fill.src = params.src;
          }
          params.fill && (fill.on = true);
          if (fill.on == null || params.fill == 'none' || params.fill === null) {
            fill.on = false;
          }
          if (fill.on && params.fill) {
            var isURL = Str(params.fill).match(R._ISURL);
            if (isURL) {
              fill.parentNode == node && node.removeChild(fill);
              fill.rotate = true;
              fill.src = isURL[1];
              fill.type = 'tile';
              var bbox = o.getBBox(1);
              fill.position = bbox.x + S + bbox.y;
              o._.fillpos = [bbox.x, bbox.y];

              R._preload(isURL[1], function () {
                o._.fillsize = [this.offsetWidth, this.offsetHeight];
              });
            } else {
              fill.color = R.getRGB(params.fill).hex;
              fill.src = E;
              fill.type = 'solid';
              if (
                R.getRGB(params.fill).error &&
                (res.type in { circle: 1, ellipse: 1 } || Str(params.fill).charAt() != 'r') &&
                addGradientFill(res, params.fill, fill)
              ) {
                a.fill = 'none';
                a.gradient = params.fill;
                fill.rotate = false;
              }
            }
          }
          if ('fill-opacity' in params || 'opacity' in params) {
            var opacity = ((+a['fill-opacity'] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+R.getRGB(params.fill).o + 1 || 2) - 1);
            opacity = mmin(mmax(opacity, 0), 1);
            fill.opacity = opacity;
            if (fill.src) {
              fill.color = 'none';
            }
          }
          node.appendChild(fill);
          var stroke = node.getElementsByTagName('stroke') && node.getElementsByTagName('stroke')[0],
            newstroke = false;
          !stroke && (newstroke = stroke = createNode('stroke'));
          if (
            (params.stroke && params.stroke != 'none') ||
            params['stroke-width'] ||
            params['stroke-opacity'] != null ||
            params['stroke-dasharray'] ||
            params['stroke-miterlimit'] ||
            params['stroke-linejoin'] ||
            params['stroke-linecap']
          ) {
            stroke.on = true;
          }
          (params.stroke == 'none' || params.stroke === null || stroke.on == null || params.stroke == 0 || params['stroke-width'] == 0) &&
            (stroke.on = false);
          var strokeColor = R.getRGB(params.stroke);
          stroke.on && params.stroke && (stroke.color = strokeColor.hex);
          opacity = ((+a['stroke-opacity'] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+strokeColor.o + 1 || 2) - 1);
          var width = (toFloat(params['stroke-width']) || 1) * 0.75;
          opacity = mmin(mmax(opacity, 0), 1);
          params['stroke-width'] == null && (width = a['stroke-width']);
          params['stroke-width'] && (stroke.weight = width);
          width && width < 1 && (opacity *= width) && (stroke.weight = 1);
          stroke.opacity = opacity;

          params['stroke-linejoin'] && (stroke.joinstyle = params['stroke-linejoin'] || 'miter');
          stroke.miterlimit = params['stroke-miterlimit'] || 8;
          params['stroke-linecap'] &&
            (stroke.endcap = params['stroke-linecap'] == 'butt' ? 'flat' : params['stroke-linecap'] == 'square' ? 'square' : 'round');
          if (params['stroke-dasharray']) {
            var dasharray = {
              '-': 'shortdash',
              '.': 'shortdot',
              '-.': 'shortdashdot',
              '-..': 'shortdashdotdot',
              '. ': 'dot',
              '- ': 'dash',
              '--': 'longdash',
              '- .': 'dashdot',
              '--.': 'longdashdot',
              '--..': 'longdashdotdot',
            };
            stroke.dashstyle = dasharray[has](params['stroke-dasharray']) ? dasharray[params['stroke-dasharray']] : E;
          }
          newstroke && node.appendChild(stroke);
        }
        if (res.type == 'text') {
          res.paper.canvas.style.display = E;
          var span = res.paper.span,
            m = 100,
            fontSize = a.font && a.font.match(/\d+(?:\.\d*)?(?=px)/);
          s = span.style;
          a.font && (s.font = a.font);
          a['font-family'] && (s.fontFamily = a['font-family']);
          a['font-weight'] && (s.fontWeight = a['font-weight']);
          a['font-style'] && (s.fontStyle = a['font-style']);
          fontSize = toFloat(a['font-size'] || (fontSize && fontSize[0])) || 10;
          s.fontSize = fontSize * m + 'px';
          res.textpath.string &&
            (span.innerHTML = Str(res.textpath.string).replace(/</g, '&#60;').replace(/&/g, '&#38;').replace(/\n/g, '<br>'));
          var brect = span.getBoundingClientRect();
          res.W = a.w = (brect.right - brect.left) / m;
          res.H = a.h = (brect.bottom - brect.top) / m;
          // res.paper.canvas.style.display = "none";
          res.X = a.x;
          res.Y = a.y + res.H / 2;

          ('x' in params || 'y' in params) &&
            (res.path.v = R.format('m{0},{1}l{2},{1}', round(a.x * zoom), round(a.y * zoom), round(a.x * zoom) + 1));
          var dirtyattrs = ['x', 'y', 'text', 'font', 'font-family', 'font-weight', 'font-style', 'font-size'];
          for (var d = 0, dd = dirtyattrs.length; d < dd; d++)
            if (dirtyattrs[d] in params) {
              res._.dirty = 1;
              break;
            }

          // text-anchor emulation
          switch (a['text-anchor']) {
            case 'start':
              res.textpath.style['v-text-align'] = 'left';
              res.bbx = res.W / 2;
              break;
            case 'end':
              res.textpath.style['v-text-align'] = 'right';
              res.bbx = -res.W / 2;
              break;
            default:
              res.textpath.style['v-text-align'] = 'center';
              res.bbx = 0;
              break;
          }
          res.textpath.style['v-text-kern'] = true;
        }
        // res.paper.canvas.style.display = E;
      },
      addGradientFill = function (o, gradient, fill) {
        o.attrs = o.attrs || {};
        var attrs = o.attrs,
          pow = Math.pow,
          opacity,
          oindex,
          type = 'linear',
          fxfy = '.5 .5';
        o.attrs.gradient = gradient;
        gradient = Str(gradient).replace(R._radial_gradient, function (all, fx, fy) {
          type = 'radial';
          if (fx && fy) {
            fx = toFloat(fx);
            fy = toFloat(fy);
            pow(fx - 0.5, 2) + pow(fy - 0.5, 2) > 0.25 && (fy = math.sqrt(0.25 - pow(fx - 0.5, 2)) * ((fy > 0.5) * 2 - 1) + 0.5);
            fxfy = fx + S + fy;
          }
          return E;
        });
        gradient = gradient.split(/\s*\-\s*/);
        if (type == 'linear') {
          var angle = gradient.shift();
          angle = -toFloat(angle);
          if (isNaN(angle)) {
            return null;
          }
        }
        var dots = R._parseDots(gradient);
        if (!dots) {
          return null;
        }
        o = o.shape || o.node;
        if (dots.length) {
          o.removeChild(fill);
          fill.on = true;
          fill.method = 'none';
          fill.color = dots[0].color;
          fill.color2 = dots[dots.length - 1].color;
          var clrs = [];
          for (var i = 0, ii = dots.length; i < ii; i++) {
            dots[i].offset && clrs.push(dots[i].offset + S + dots[i].color);
          }
          fill.colors = clrs.length ? clrs.join() : '0% ' + fill.color;
          if (type == 'radial') {
            fill.type = 'gradientTitle';
            fill.focus = '100%';
            fill.focussize = '0 0';
            fill.focusposition = fxfy;
            fill.angle = 0;
          } else {
            // fill.rotate= true;
            fill.type = 'gradient';
            fill.angle = (270 - angle) % 360;
          }
          o.appendChild(fill);
        }
        return 1;
      },
      Element = function (node, vml) {
        this[0] = this.node = node;
        node.raphael = true;
        this.id = R._oid++;
        node.raphaelid = this.id;
        this.X = 0;
        this.Y = 0;
        this.attrs = {};
        this.paper = vml;
        this.matrix = R.matrix();
        this._ = {
          transform: [],
          sx: 1,
          sy: 1,
          dx: 0,
          dy: 0,
          deg: 0,
          dirty: 1,
          dirtyT: 1,
        };
        !vml.bottom && (vml.bottom = this);
        this.prev = vml.top;
        vml.top && (vml.top.next = this);
        vml.top = this;
        this.next = null;
      };
    var elproto = R.el;

    Element.prototype = elproto;
    elproto.constructor = Element;
    elproto.transform = function (tstr) {
      if (tstr == null) {
        return this._.transform;
      }
      var vbs = this.paper._viewBoxShift,
        vbt = vbs ? 's' + [vbs.scale, vbs.scale] + '-1-1t' + [vbs.dx, vbs.dy] : E,
        oldt;
      if (vbs) {
        oldt = tstr = Str(tstr).replace(/\.{3}|\u2026/g, this._.transform || E);
      }
      R._extractTransform(this, vbt + tstr);
      var matrix = this.matrix.clone(),
        skew = this.skew,
        o = this.node,
        split,
        isGrad = ~Str(this.attrs.fill).indexOf('-'),
        isPatt = !Str(this.attrs.fill).indexOf('url(');
      matrix.translate(-0.5, -0.5);
      if (isPatt || isGrad || this.type == 'image') {
        skew.matrix = '1 0 0 1';
        skew.offset = '0 0';
        split = matrix.split();
        if ((isGrad && split.noRotation) || !split.isSimple) {
          o.style.filter = matrix.toFilter();
          var bb = this.getBBox(),
            bbt = this.getBBox(1),
            dx = bb.x - bbt.x,
            dy = bb.y - bbt.y;
          o.coordorigin = dx * -zoom + S + dy * -zoom;
          setCoords(this, 1, 1, dx, dy, 0);
        } else {
          o.style.filter = E;
          setCoords(this, split.scalex, split.scaley, split.dx, split.dy, split.rotate);
        }
      } else {
        o.style.filter = E;
        skew.matrix = Str(matrix);
        skew.offset = matrix.offset();
      }
      oldt && (this._.transform = oldt);
      return this;
    };
    elproto.rotate = function (deg, cx, cy) {
      if (this.removed) {
        return this;
      }
      if (deg == null) {
        return;
      }
      deg = Str(deg).split(separator);
      if (deg.length - 1) {
        cx = toFloat(deg[1]);
        cy = toFloat(deg[2]);
      }
      deg = toFloat(deg[0]);
      cy == null && (cx = cy);
      if (cx == null || cy == null) {
        var bbox = this.getBBox(1);
        cx = bbox.x + bbox.width / 2;
        cy = bbox.y + bbox.height / 2;
      }
      this._.dirtyT = 1;
      this.transform(this._.transform.concat([['r', deg, cx, cy]]));
      return this;
    };
    elproto.translate = function (dx, dy) {
      if (this.removed) {
        return this;
      }
      dx = Str(dx).split(separator);
      if (dx.length - 1) {
        dy = toFloat(dx[1]);
      }
      dx = toFloat(dx[0]) || 0;
      dy = +dy || 0;
      if (this._.bbox) {
        this._.bbox.x += dx;
        this._.bbox.y += dy;
      }
      this.transform(this._.transform.concat([['t', dx, dy]]));
      return this;
    };
    elproto.scale = function (sx, sy, cx, cy) {
      if (this.removed) {
        return this;
      }
      sx = Str(sx).split(separator);
      if (sx.length - 1) {
        sy = toFloat(sx[1]);
        cx = toFloat(sx[2]);
        cy = toFloat(sx[3]);
        isNaN(cx) && (cx = null);
        isNaN(cy) && (cy = null);
      }
      sx = toFloat(sx[0]);
      sy == null && (sy = sx);
      cy == null && (cx = cy);
      if (cx == null || cy == null) {
        var bbox = this.getBBox(1);
      }
      cx = cx == null ? bbox.x + bbox.width / 2 : cx;
      cy = cy == null ? bbox.y + bbox.height / 2 : cy;

      this.transform(this._.transform.concat([['s', sx, sy, cx, cy]]));
      this._.dirtyT = 1;
      return this;
    };
    elproto.hide = function () {
      !this.removed && (this.node.style.display = 'none');
      return this;
    };
    elproto.show = function () {
      !this.removed && (this.node.style.display = E);
      return this;
    };
    elproto._getBBox = function () {
      if (this.removed) {
        return {};
      }
      return {
        x: this.X + (this.bbx || 0) - this.W / 2,
        y: this.Y - this.H,
        width: this.W,
        height: this.H,
      };
    };
    elproto.remove = function () {
      if (this.removed || !this.node.parentNode) {
        return;
      }
      this.paper.__set__ && this.paper.__set__.exclude(this);
      R.eve.unbind('raphael.*.*.' + this.id);
      R._tear(this, this.paper);
      this.node.parentNode.removeChild(this.node);
      this.shape && this.shape.parentNode.removeChild(this.shape);
      for (var i in this) {
        this[i] = typeof this[i] == 'function' ? R._removedFactory(i) : null;
      }
      this.removed = true;
    };
    elproto.attr = function (name, value) {
      if (this.removed) {
        return this;
      }
      if (name == null) {
        var res = {};
        for (var a in this.attrs)
          if (this.attrs[has](a)) {
            res[a] = this.attrs[a];
          }
        res.gradient && res.fill == 'none' && (res.fill = res.gradient) && delete res.gradient;
        res.transform = this._.transform;
        return res;
      }
      if (value == null && R.is(name, 'string')) {
        if (name == fillString && this.attrs.fill == 'none' && this.attrs.gradient) {
          return this.attrs.gradient;
        }
        var names = name.split(separator),
          out = {};
        for (var i = 0, ii = names.length; i < ii; i++) {
          name = names[i];
          if (name in this.attrs) {
            out[name] = this.attrs[name];
          } else if (R.is(this.paper.customAttributes[name], 'function')) {
            out[name] = this.paper.customAttributes[name].def;
          } else {
            out[name] = R._availableAttrs[name];
          }
        }
        return ii - 1 ? out : out[names[0]];
      }
      if (this.attrs && value == null && R.is(name, 'array')) {
        out = {};
        for (i = 0, ii = name.length; i < ii; i++) {
          out[name[i]] = this.attr(name[i]);
        }
        return out;
      }
      var params;
      if (value != null) {
        params = {};
        params[name] = value;
      }
      value == null && R.is(name, 'object') && (params = name);
      for (var key in params) {
        eve('raphael.attr.' + key + '.' + this.id, this, params[key]);
      }
      if (params) {
        for (key in this.paper.customAttributes)
          if (this.paper.customAttributes[has](key) && params[has](key) && R.is(this.paper.customAttributes[key], 'function')) {
            var par = this.paper.customAttributes[key].apply(this, [].concat(params[key]));
            this.attrs[key] = params[key];
            for (var subkey in par)
              if (par[has](subkey)) {
                params[subkey] = par[subkey];
              }
          }
        // this.paper.canvas.style.display = "none";
        if (params.text && this.type == 'text') {
          this.textpath.string = params.text;
        }
        setFillAndStroke(this, params);
        // this.paper.canvas.style.display = E;
      }
      return this;
    };
    elproto.toFront = function () {
      !this.removed && this.node.parentNode.appendChild(this.node);
      this.paper && this.paper.top != this && R._tofront(this, this.paper);
      return this;
    };
    elproto.toBack = function () {
      if (this.removed) {
        return this;
      }
      if (this.node.parentNode.firstChild != this.node) {
        this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
        R._toback(this, this.paper);
      }
      return this;
    };
    elproto.insertAfter = function (element) {
      if (this.removed) {
        return this;
      }
      if (element.constructor == R.st.constructor) {
        element = element[element.length - 1];
      }
      if (element.node.nextSibling) {
        element.node.parentNode.insertBefore(this.node, element.node.nextSibling);
      } else {
        element.node.parentNode.appendChild(this.node);
      }
      R._insertafter(this, element, this.paper);
      return this;
    };
    elproto.insertBefore = function (element) {
      if (this.removed) {
        return this;
      }
      if (element.constructor == R.st.constructor) {
        element = element[0];
      }
      element.node.parentNode.insertBefore(this.node, element.node);
      R._insertbefore(this, element, this.paper);
      return this;
    };
    elproto.blur = function (size) {
      var s = this.node.runtimeStyle,
        f = s.filter;
      f = f.replace(blurregexp, E);
      if (+size !== 0) {
        this.attrs.blur = size;
        s.filter = f + S + ms + '.Blur(pixelradius=' + (+size || 1.5) + ')';
        s.margin = R.format('-{0}px 0 0 -{0}px', round(+size || 1.5));
      } else {
        s.filter = f;
        s.margin = 0;
        delete this.attrs.blur;
      }
    };

    R._engine.path = function (pathString, vml) {
      var el = createNode('shape');
      el.style.cssText = cssDot;
      el.coordsize = zoom + S + zoom;
      el.coordorigin = vml.coordorigin;
      var p = new Element(el, vml),
        attr = { fill: 'none', stroke: '#000' };
      pathString && (attr.path = pathString);
      p.type = 'path';
      p.path = [];
      p.Path = E;
      setFillAndStroke(p, attr);
      vml.canvas.appendChild(el);
      var skew = createNode('skew');
      skew.on = true;
      el.appendChild(skew);
      p.skew = skew;
      p.transform(E);
      return p;
    };
    R._engine.rect = function (vml, x, y, w, h, r) {
      var path = R._rectPath(x, y, w, h, r),
        res = vml.path(path),
        a = res.attrs;
      res.X = a.x = x;
      res.Y = a.y = y;
      res.W = a.width = w;
      res.H = a.height = h;
      a.r = r;
      a.path = path;
      res.type = 'rect';
      return res;
    };
    R._engine.ellipse = function (vml, x, y, rx, ry) {
      var res = vml.path(),
        a = res.attrs;
      res.X = x - rx;
      res.Y = y - ry;
      res.W = rx * 2;
      res.H = ry * 2;
      res.type = 'ellipse';
      setFillAndStroke(res, {
        cx: x,
        cy: y,
        rx: rx,
        ry: ry,
      });
      return res;
    };
    R._engine.circle = function (vml, x, y, r) {
      var res = vml.path(),
        a = res.attrs;
      res.X = x - r;
      res.Y = y - r;
      res.W = res.H = r * 2;
      res.type = 'circle';
      setFillAndStroke(res, {
        cx: x,
        cy: y,
        r: r,
      });
      return res;
    };
    R._engine.image = function (vml, src, x, y, w, h) {
      var path = R._rectPath(x, y, w, h),
        res = vml.path(path).attr({ stroke: 'none' }),
        a = res.attrs,
        node = res.node,
        fill = node.getElementsByTagName(fillString)[0];
      a.src = src;
      res.X = a.x = x;
      res.Y = a.y = y;
      res.W = a.width = w;
      res.H = a.height = h;
      a.path = path;
      res.type = 'image';
      fill.parentNode == node && node.removeChild(fill);
      fill.rotate = true;
      fill.src = src;
      fill.type = 'tile';
      res._.fillpos = [x, y];
      res._.fillsize = [w, h];
      node.appendChild(fill);
      setCoords(res, 1, 1, 0, 0, 0);
      return res;
    };
    R._engine.text = function (vml, x, y, text) {
      var el = createNode('shape'),
        path = createNode('path'),
        o = createNode('textpath');
      x = x || 0;
      y = y || 0;
      text = text || '';
      path.v = R.format('m{0},{1}l{2},{1}', round(x * zoom), round(y * zoom), round(x * zoom) + 1);
      path.textpathok = true;
      o.string = Str(text);
      o.on = true;
      el.style.cssText = cssDot;
      el.coordsize = zoom + S + zoom;
      el.coordorigin = '0 0';
      var p = new Element(el, vml),
        attr = {
          fill: '#000',
          stroke: 'none',
          font: R._availableAttrs.font,
          text: text,
        };
      p.shape = el;
      p.path = path;
      p.textpath = o;
      p.type = 'text';
      p.attrs.text = Str(text);
      p.attrs.x = x;
      p.attrs.y = y;
      p.attrs.w = 1;
      p.attrs.h = 1;
      setFillAndStroke(p, attr);
      el.appendChild(o);
      el.appendChild(path);
      vml.canvas.appendChild(el);
      var skew = createNode('skew');
      skew.on = true;
      el.appendChild(skew);
      p.skew = skew;
      p.transform(E);
      return p;
    };
    R._engine.setSize = function (width, height) {
      var cs = this.canvas.style;
      this.width = width;
      this.height = height;
      width == +width && (width += 'px');
      height == +height && (height += 'px');
      cs.width = width;
      cs.height = height;
      cs.clip = 'rect(0 ' + width + ' ' + height + ' 0)';
      if (this._viewBox) {
        R._engine.setViewBox.apply(this, this._viewBox);
      }
      return this;
    };
    R._engine.setViewBox = function (x, y, w, h, fit) {
      R.eve('raphael.setViewBox', this, this._viewBox, [x, y, w, h, fit]);
      var width = this.width,
        height = this.height,
        size = 1 / mmax(w / width, h / height),
        H,
        W;
      if (fit) {
        H = height / h;
        W = width / w;
        if (w * H < width) {
          x -= (width - w * H) / 2 / H;
        }
        if (h * W < height) {
          y -= (height - h * W) / 2 / W;
        }
      }
      this._viewBox = [x, y, w, h, !!fit];
      this._viewBoxShift = {
        dx: -x,
        dy: -y,
        scale: size,
      };
      this.forEach(function (el) {
        el.transform('...');
      });
      return this;
    };
    var createNode;
    R._engine.initWin = function (win) {
      var doc = win.document;
      doc.createStyleSheet().addRule('.rvml', 'behavior:url(#default#VML)');
      try {
        !doc.namespaces.rvml && doc.namespaces.add('rvml', 'urn:schemas-microsoft-com:vml');
        createNode = function (tagName) {
          return doc.createElement('<rvml:' + tagName + ' class="rvml">');
        };
      } catch (e) {
        createNode = function (tagName) {
          return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
        };
      }
    };
    R._engine.initWin(R._g.win);
    R._engine.create = function () {
      var con = R._getContainer.apply(0, arguments),
        container = con.container,
        height = con.height,
        s,
        width = con.width,
        x = con.x,
        y = con.y;
      if (!container) {
        throw new Error('VML container not found.');
      }
      var res = new R._Paper(),
        c = (res.canvas = R._g.doc.createElement('div')),
        cs = c.style;
      x = x || 0;
      y = y || 0;
      width = width || 512;
      height = height || 342;
      res.width = width;
      res.height = height;
      width == +width && (width += 'px');
      height == +height && (height += 'px');
      res.coordsize = zoom * 1e3 + S + zoom * 1e3;
      res.coordorigin = '0 0';
      res.span = R._g.doc.createElement('span');
      res.span.style.cssText = 'position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;';
      c.appendChild(res.span);
      cs.cssText = R.format(
        'top:0;left:0;width:{0};height:{1};display:inline-block;position:relative;clip:rect(0 {0} {1} 0);overflow:hidden',
        width,
        height
      );
      if (container == 1) {
        R._g.doc.body.appendChild(c);
        cs.left = x + 'px';
        cs.top = y + 'px';
        cs.position = 'absolute';
      } else {
        if (container.firstChild) {
          container.insertBefore(c, container.firstChild);
        } else {
          container.appendChild(c);
        }
      }
      res.renderfix = function () {};
      return res;
    };
    R.prototype.clear = function () {
      R.eve('raphael.clear', this);
      this.canvas.innerHTML = E;
      this.span = R._g.doc.createElement('span');
      this.span.style.cssText = 'position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;';
      this.canvas.appendChild(this.span);
      this.bottom = this.top = null;
    };
    R.prototype.remove = function () {
      R.eve('raphael.remove', this);
      this.canvas.parentNode.removeChild(this.canvas);
      for (var i in this) {
        this[i] = typeof this[i] == 'function' ? R._removedFactory(i) : null;
      }
      return true;
    };

    var setproto = R.st;
    for (var method in elproto)
      if (elproto[has](method) && !setproto[has](method)) {
        setproto[method] = (function (methodname) {
          return function () {
            var arg = arguments;
            return this.forEach(function (el) {
              el[methodname].apply(el, arg);
            });
          };
        })(method);
      }
  })(window.Raphael);
